GoSmart Wireless Doorbell P5735SS with WiFi

aplication languages: EN, CZ, SK, PL, DE, HU, SI, FR, + 60 other languages
>button dimensions: 19 × 38 × 92 mm
>colour: silver
>compatibility: EMOS GoSmart, TUYA, LIDL, Smartlife, open system
>control by voice assistants: no
>doorchime dimensions: 80 × 80 × 65 mm
>extra (spare) button: P5734T
>installation material: yes
>maximum ringing volume: 110 dB
>notifications to the mobile app: yes
>number of buttons in a package: 1 pc
>number of melodies: 52
>number of receivers in a package: 1 pc
>optical signaling on the button: yes
>optical signaling on the doorbell: yes
>option to add another button: yes, max. 8 + 2 v APP
>other functions: no
>packaging: 1 pc, small box
>pairing method: automatic pairing–self-learning
>power button: 1× 3 V CR2032 (included)
>power supply of the main unit: 230 V AC
>protocol: Wi-Fi
>reach of the button: 150 m
>series: GoSmart
>special functions: setting a different melody and volume for each button paired in the app
>supported OS: Android, iOS
>transmission frequency: 433 MHz
>transmission method: wireless bell
>voice communication: no
>volume control: yes, 4 levels
>waterproof button: IP44