diff --git a/lnbits/extensions/watchonly/static/components/address-list/address-list.js b/lnbits/extensions/watchonly/static/components/address-list/address-list.js
index 09475bad..80280589 100644
--- a/lnbits/extensions/watchonly/static/components/address-list/address-list.js
+++ b/lnbits/extensions/watchonly/static/components/address-list/address-list.js
@@ -9,7 +9,7 @@ async function addressList(path) {
       'accounts',
       'mempool_endpoint',
       'inkey',
-      'sats_denominated'
+      'sats-denominated'
     ],
     watch: {
       immediate: true,
@@ -90,7 +90,7 @@ async function addressList(path) {
 
     methods: {
       satBtc(val, showUnit = true) {
-        return satOrBtc(val, showUnit, this['sats_denominated'])
+        return satOrBtc(val, showUnit, this.satsDenominated)
       },
       getWalletName: function (walletId) {
         const wallet = (this.accounts || []).find(wl => wl.id === walletId)
diff --git a/lnbits/extensions/watchonly/static/components/fee-rate/fee-rate.js b/lnbits/extensions/watchonly/static/components/fee-rate/fee-rate.js
index 62136fb1..be06c00f 100644
--- a/lnbits/extensions/watchonly/static/components/fee-rate/fee-rate.js
+++ b/lnbits/extensions/watchonly/static/components/fee-rate/fee-rate.js
@@ -4,7 +4,7 @@ async function feeRate(path) {
     name: 'fee-rate',
     template,
 
-    props: ['rate', 'fee-value', 'sats_denominated'],
+    props: ['rate', 'fee-value', 'sats-denominated'],
 
     computed: {
       feeRate: {
@@ -31,7 +31,7 @@ async function feeRate(path) {
 
     methods: {
       satBtc(val, showUnit = true) {
-        return satOrBtc(val, showUnit, this['sats_denominated'])
+        return satOrBtc(val, showUnit, this.satsDenominated)
       },
 
       refreshRecommendedFees: async function () {
diff --git a/lnbits/extensions/watchonly/static/components/history/history.js b/lnbits/extensions/watchonly/static/components/history/history.js
index 503169ee..d3146536 100644
--- a/lnbits/extensions/watchonly/static/components/history/history.js
+++ b/lnbits/extensions/watchonly/static/components/history/history.js
@@ -4,7 +4,7 @@ async function history(path) {
     name: 'history',
     template,
 
-    props: ['history', 'mempool_endpoint', 'sats_denominated'],
+    props: ['history', 'mempool_endpoint', 'sats-denominated'],
     data: function () {
       return {
         historyTable: {
@@ -73,7 +73,7 @@ async function history(path) {
 
     methods: {
       satBtc(val, showUnit = true) {
-        return satOrBtc(val, showUnit, this['sats_denominated'])
+        return satOrBtc(val, showUnit, this.satsDenominated)
       },
       getFilteredAddressesHistory: function () {
         return this.history.filter(a => (!a.isChange || a.sent) && !a.isSubItem)
diff --git a/lnbits/extensions/watchonly/static/components/payment/payment.html b/lnbits/extensions/watchonly/static/components/payment/payment.html
index 6a1bf36b..7c7d0354 100644
--- a/lnbits/extensions/watchonly/static/components/payment/payment.html
+++ b/lnbits/extensions/watchonly/static/components/payment/payment.html
@@ -7,7 +7,7 @@
           :fee-rate="feeRate"
           :tx-size="txSizeNoChange"
           :selected-amount="selectedAmount"
-          :sats-denominated="sats_denominated"
+          :sats-denominated="satsDenominated"
           @update:outputs="handleOutputsChange"
         ></send-to>
       </q-card-section>
@@ -79,7 +79,7 @@
               :selectable="true"
               :payed-amount="totalPayedAmount"
               :mempool_endpoint="mempool_endpoint"
-              :sats-denominated="sats_denominated"
+              :sats-denominated="satsDenominated"
             ></utxo-list>
           </div>
         </div>
@@ -160,7 +160,7 @@
         <q-btn-dropdown
           split
           unelevated
-          :disabled="changeAmount < 0"
+          :disabled="changeAmount < 0 || showChecking"
           label="Check & Send"
           color="green"
           type="submit"
diff --git a/lnbits/extensions/watchonly/static/components/payment/payment.js b/lnbits/extensions/watchonly/static/components/payment/payment.js
index 3afc4b6d..a70ea795 100644
--- a/lnbits/extensions/watchonly/static/components/payment/payment.js
+++ b/lnbits/extensions/watchonly/static/components/payment/payment.js
@@ -9,7 +9,7 @@ async function payment(path) {
       'addresses',
       'utxos',
       'mempool_endpoint',
-      'sats_denominated',
+      'sats-denominated',
       'serial-signer-ref',
       'adminkey'
     ],
@@ -77,7 +77,7 @@ async function payment(path) {
 
     methods: {
       satBtc(val, showUnit = true) {
-        return satOrBtc(val, showUnit, this['sats_denominated'])
+        return satOrBtc(val, showUnit, this.satsDenominated)
       },
       checkAndSend: async function () {
         this.showChecking = true
@@ -94,12 +94,23 @@ async function payment(path) {
           await this.createPsbt()
 
           if (this.psbtBase64) {
-            await this.serialSignerRef.hwwSendPsbt(this.psbtBase64)
+            const txData = {
+              outputs: this.tx.outputs,
+              feeRate: this.tx.fee_rate,
+              feeValue: this.feeValue
+            }
+            await this.serialSignerRef.hwwSendPsbt(this.psbtBase64, txData)
             await this.serialSignerRef.isSendingPsbt()
           }
 
           console.log('### hwwSendPsbt')
         } catch (error) {
+          console.error(error)
+          this.$q.notify({
+            type: 'warning',
+            message: 'Cannot check and sign PSBT!',
+            timeout: 10000
+          })
         } finally {
           this.showChecking = false
           this.psbtBase64 = null
diff --git a/lnbits/extensions/watchonly/static/components/send-to/send-to.js b/lnbits/extensions/watchonly/static/components/send-to/send-to.js
index 9b6cf348..2b93cea7 100644
--- a/lnbits/extensions/watchonly/static/components/send-to/send-to.js
+++ b/lnbits/extensions/watchonly/static/components/send-to/send-to.js
@@ -9,7 +9,7 @@ async function sendTo(path) {
       'tx-size',
       'selected-amount',
       'fee-rate',
-      'sats_denominated'
+      'sats-denominated'
     ],
 
     computed: {
@@ -44,7 +44,7 @@ async function sendTo(path) {
 
     methods: {
       satBtc(val, showUnit = true) {
-        return satOrBtc(val, showUnit, this['sats_denominated'])
+        return satOrBtc(val, showUnit, this.satsDenominated)
       },
       addPaymentAddress: function () {
         this.dataLocal.push({address: '', amount: undefined})
diff --git a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.html b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.html
index f3c04dd6..660d1803 100644
--- a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.html
+++ b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.html
@@ -153,29 +153,87 @@
     </q-card>
   </q-dialog>
 
-  <q-dialog v-model="hww.psbtSent" position="top">
+  <q-dialog v-model="hww.showConfirmationDialog" position="top">
     <q-card class="q-pa-lg q-pt-xl lnbits__dialog-card">
       <q-form @submit="hwwSignPsbt" class="q-gutter-md">
         <div class="row q-mt-lg">
           <div class="col-12">
-            <span>Check transaction on your hardware device</span>
+            <span>Check data on your hardware device.</span>
+          </div>
+        </div>
+        <div v-if="tx">
+          <div v-if="!hww.confirm.showFee" class="row q-mt-lg">
+            <div class="col-12">
+              <span class="text-subtitle2"
+                >Output {{hww.confirm.outputIndex}}</span
+              >
+            </div>
+          </div>
+          <div v-if="!hww.confirm.showFee" class="row q-mt-lg">
+            <div class="col-3">
+              <span>Address:</span>
+            </div>
+            <div class="col-9">
+              <span>{{tx.outputs[hww.confirm.outputIndex].address}}</span>
+            </div>
+          </div>
+          <div v-if="!hww.confirm.showFee" class="row q-mt-lg">
+            <div class="col-3">
+              <span>Amount:</span>
+            </div>
+            <div class="col-9">
+              <span
+                >{{satBtc(tx.outputs[hww.confirm.outputIndex].amount)}}</span
+              >
+            </div>
+          </div>
+          <div v-if="hww.confirm.showFee" class="row q-mt-lg">
+            <div class="col-3">
+              <span>Fee: </span>
+            </div>
+            <div class="col-9">
+              <span>{{satBtc(tx.feeValue)}}</span>
+            </div>
+          </div>
+          <div v-if="hww.confirm.showFee" class="row q-mt-lg">
+            <div class="col-3">
+              <span>Fee Rate:</span>
+            </div>
+            <div class="col-9">
+              <span>{{tx.feeRate}} sats/vbyte</span>
+            </div>
           </div>
         </div>
-
         <div class="row q-mt-lg">
-          <!-- todo: disable until all data is confirmed -->
-          <q-btn
-            unelevated
-            color="green"
-            :disable="!selectedPort"
-            type="submit"
-            label="Confirm"
-          >
-            <q-spinner v-if="hww.signingPsbt" color="primary"></q-spinner>
-          </q-btn>
-          <q-btn v-close-popup flat color="grey" class="q-ml-auto"
-            >Cancel</q-btn
-          >
+          <div class="col-6">
+            <q-btn
+              v-if="hww.confirm.confirmed"
+              unelevated
+              color="green"
+              :disable="!selectedPort"
+              type="submit"
+              class="float-left"
+              label="Confirm"
+            >
+              <q-spinner v-if="hww.signingPsbt" color="primary"></q-spinner>
+            </q-btn>
+          </div>
+          <div class="col-3">
+            <q-btn
+              unelevated
+              color="secondary"
+              label="Next"
+              class="float-left"
+              v-if="!hww.confirm.confirmed"
+              @click="hwwConfirmNext"
+            >
+            </q-btn>
+          </div>
+          <div class="col-3">
+            <q-btn v-close-popup flat color="grey" class="float-right"
+              >Cancel</q-btn
+            >
+          </div>
         </div>
       </q-form>
     </q-card>
diff --git a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js
index 22fc595f..482c5708 100644
--- a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js
+++ b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js
@@ -28,14 +28,23 @@ async function serialSigner(path) {
           showSignedPsbt: false,
           sendingPsbt: false,
           signingPsbt: false,
-          psbtSent: false,
-          psbtSentResolve: null
+          psbtSentResolve: null,
+          confirm: {
+            outputIndex: 0,
+            showFee: false,
+            confirmed: false
+          }
         },
+        tx: null, // todo: move to hww
+
         showConsole: false
       }
     },
 
     methods: {
+      satBtc(val, showUnit = true) {
+        return satOrBtc(val, showUnit, this.satsDenominated)
+      },
       openSerialPort: async function () {
         if (!this.checkSerialPortSupported()) return false
         if (this.selectedPort) return true
@@ -219,6 +228,17 @@ async function serialSigner(path) {
           })
         }
       },
+      hwwConfirmNext: async function () {
+        if (this.hww.confirm.showFee === true) {
+          this.hww.confirm.confirmed = true
+          return
+        }
+        this.hww.confirm.outputIndex += 1
+        if (this.hww.confirm.outputIndex >= this.tx.outputs.length) {
+          this.hww.confirm.showFee = true
+        }
+        await this.writer.write(COMMAND_CONFIRM_NEXT + '\n')
+      },
       hwwLogin: async function () {
         try {
           await this.writer.write(
@@ -275,8 +295,10 @@ async function serialSigner(path) {
           })
         }
       },
-      hwwSendPsbt: async function (psbtBase64) {
+      hwwSendPsbt: async function (psbtBase64, tx) {
         try {
+          console.log('### hwwSendPsbt tx', tx)
+          this.tx = tx
           this.hww.sendingPsbt = true
           await this.writer.write(COMMAND_SEND_PSBT + ' ' + psbtBase64 + '\n')
           this.$q.notify({
@@ -295,13 +317,19 @@ async function serialSigner(path) {
         }
       },
       handleSendPsbtResponse: function (res = '') {
-        this.hww.psbtSent = true
+        this.hww.confirm.outputIndex = 0
+        this.hww.showConfirmationDialog = true
+        this.hww.confirm = {
+          outputIndex: 0,
+          showFee: false,
+          confirmed: false
+        }
         this.hww.sendingPsbt = false
         this.psbtSentResolve()
       },
       hwwSignPsbt: async function () {
         try {
-          this.hww.psbtSent = false
+          this.hww.showConfirmationDialog = false
           this.hww.signingPsbt = true
           await this.writer.write(COMMAND_SIGN_PSBT + '\n')
         } catch (error) {
diff --git a/lnbits/extensions/watchonly/static/components/utxo-list/utxo-list.js b/lnbits/extensions/watchonly/static/components/utxo-list/utxo-list.js
index 95c3af09..f3e7eb4f 100644
--- a/lnbits/extensions/watchonly/static/components/utxo-list/utxo-list.js
+++ b/lnbits/extensions/watchonly/static/components/utxo-list/utxo-list.js
@@ -9,7 +9,7 @@ async function utxoList(path) {
       'accounts',
       'selectable',
       'payed-amount',
-      'sats_denominated',
+      'sats-denominated',
       'mempool_endpoint'
     ],
 
@@ -90,7 +90,7 @@ async function utxoList(path) {
 
     methods: {
       satBtc(val, showUnit = true) {
-        return satOrBtc(val, showUnit, this['sats_denominated'])
+        return satOrBtc(val, showUnit, this.satsDenominated)
       },
       getWalletName: function (walletId) {
         const wallet = (this.accounts || []).find(wl => wl.id === walletId)
diff --git a/lnbits/extensions/watchonly/static/components/wallet-list/wallet-list.js b/lnbits/extensions/watchonly/static/components/wallet-list/wallet-list.js
index 2184e4fc..8d4fa8e4 100644
--- a/lnbits/extensions/watchonly/static/components/wallet-list/wallet-list.js
+++ b/lnbits/extensions/watchonly/static/components/wallet-list/wallet-list.js
@@ -50,7 +50,7 @@ async function walletList(path) {
 
     methods: {
       satBtc(val, showUnit = true) {
-        return satOrBtc(val, showUnit, this['sats_denominated'])
+        return satOrBtc(val, showUnit, this.satsDenominated)
       },
 
       addWalletAccount: async function () {
diff --git a/lnbits/extensions/watchonly/static/js/utils.js b/lnbits/extensions/watchonly/static/js/utils.js
index 65ac8a0a..d1dfd7f6 100644
--- a/lnbits/extensions/watchonly/static/js/utils.js
+++ b/lnbits/extensions/watchonly/static/js/utils.js
@@ -7,6 +7,7 @@ const COMMAND_HELP = '/help'
 const COMMAND_WIPE = '/wipe'
 const COMMAND_SEED = '/seed'
 const COMMAND_RESTORE = '/restore'
+const COMMAND_CONFIRM_NEXT = '/confirm-next'
 
 const DEFAULT_RECEIVE_GAP_LIMIT = 20