diff --git a/cards/FirmwareCard.vue b/cards/FirmwareCard.vue
index 5aa521c..cb9be32 100644
--- a/cards/FirmwareCard.vue
+++ b/cards/FirmwareCard.vue
@@ -9,7 +9,7 @@
           <q-toggle v-model="data.ota_enab" label="Eanble OTA autoudate" />
           <q-toggle v-model="data.res_ota_enab" label="Enable reset after update" />
           <q-input v-model="data.ota_url" label="OTA firmware file URL" />
-          <q-input v-model="data.ota_auto_int" label="New firmware check interval, sec" />
+          <q-input type="number" v-model="data.ota_auto_int" label="New firmware check interval, sec" />
           <div>Current firmware version:: {{ data.fw_rev }}</div>
           <div>Available firmware version:: {{ data.fw_rev }}</div>
         </div>
diff --git a/cards/MQTT1Card.vue b/cards/MQTT1Card.vue
index ca1864c..bb1e2be 100644
--- a/cards/MQTT1Card.vue
+++ b/cards/MQTT1Card.vue
@@ -8,12 +8,12 @@
         <div class="q-gutter-md q-pa-none q-pb-none">
           <q-toggle v-model="data.mqtt_1_enab" label="Eanble MQTT 1" />
           <q-input v-model="data.mqtt_1_serv" label="MQTT broker URL	" />
-          <q-input v-model="data.mqtt_1_port" label="MQTT broker port	" />
+          <q-input type="number" v-model="data.mqtt_1_port" label="MQTT broker port	" />
           <q-input v-model="data.mqtt_1_syst" label="Global system name	" />
           <q-input v-model="data.mqtt_1_group" label="Group name	" />
           <q-input v-model="data.mqtt_1_clid" label="Device ID prefix" />
           <q-input v-model="data.mqtt_1_uname" label="Login" />
-          <q-input v-model="data.mqtt_1_pass" label="Password" />
+          <q-input type="password" v-model="data.mqtt_1_pass" label="Password" />
         </div>
       </div>
     </q-card-section>
diff --git a/cards/MQTT2Card.vue b/cards/MQTT2Card.vue
index 237d42c..55378d0 100644
--- a/cards/MQTT2Card.vue
+++ b/cards/MQTT2Card.vue
@@ -8,12 +8,12 @@
         <div class="q-gutter-md q-pa-none q-pb-none">
           <q-toggle v-model="data.mqtt_2_enab" label="Eanble MQTT 2" />
           <q-input v-model="data.mqtt_2_serv" label="MQTT broker URL	" />
-          <q-input v-model="data.mqtt_2_port" label="MQTT broker port	" />
+          <q-input type="number" v-model="data.mqtt_2_port" label="MQTT broker port	" />
           <q-input v-model="data.mqtt_2_syst" label="Global system name	" />
           <q-input v-model="data.mqtt_2_group" label="Group name	" />
           <q-input v-model="data.mqtt_2_clid" label="Device ID prefix" />
           <q-input v-model="data.mqtt_2_uname" label="Login" />
-          <q-input v-model="data.mqtt_2_pass" label="Password" />
+          <q-input type="password" v-model="data.mqtt_2_pass" label="Password" />
         </div>
       </div>
     </q-card-section>
diff --git a/cards/SystemCard.vue b/cards/SystemCard.vue
index de79774..1c5b227 100644
--- a/cards/SystemCard.vue
+++ b/cards/SystemCard.vue
@@ -8,7 +8,7 @@
         <div class="q-gutter-md q-pa-none q-pb-none">
           <q-input v-model="data.net_bios_name" label="Device bios name" />
           <q-input v-model="data.sys_name" label="User name" />
-          <q-input v-model="data.sys_pass" label="User password" />
+          <q-input type="password" v-model="data.sys_pass" label="User password" />
           <div>Device model: {{ data.model_name }}</div>
           <div>Hardware revision: {{ data.hw_rev }}</div>
           <div>Firmware version: {{ data.fw_rev }}</div>
diff --git a/cards/WifiSetCard.vue b/cards/WifiSetCard.vue
index e07ca53..6e5aac0 100644
--- a/cards/WifiSetCard.vue
+++ b/cards/WifiSetCard.vue
@@ -13,10 +13,10 @@
             label="WiFi mode"></q-select>
           <q-input v-model="wifipwr" label="Max power, dBm" />
           <q-input v-model="data.wifi_ap_ssid" label="WiFi network name(AP):" />
-          <q-input v-model="data.wifi_ap_key" label="WiFi network key(AP):" />
+          <q-input type="password" v-model="data.wifi_ap_key" label="WiFi network key(AP):" />
           <q-input v-model="data.wifi_ap_ip" label="IP address(AP):" />
           <q-input v-model="data.wifi_sta_ssid" label="WiFi network name(CLN):" />
-          <q-input v-model="data.wifi_sta_key" label="WiFi network key(CLN):" />
+          <q-input type="password" v-model="data.wifi_sta_key" label="WiFi network key(CLN):" />
           <q-toggle v-model="data.wifi_isdhcp" label="DHCP enabled"></q-toggle>
           <q-input v-model="data.wifi_sta_ip" label="IP address(CLN):" />
           <q-input v-model="data.wifi_sta_mask" label="Subnet mask(CLN):" />