Home wireless doorbell WiFi white GoSmart P5735SS

Most important parameters
main unit power supply: 230 V AC
Switch power supply: 1× 3 V CR2032 (included).
switch range: 150 m
special functions: each button can be set with a different melody and sound level in the application.

Other parameters
optical signal on the button: yes
optical signal on doorbell: yes
possibility to add a second push-button: yes, max. max. 8 + 2 in app
additional button (spare): P5734T.
volume control: yes, 4 levels
maximum volume: 110 dB
number of melody tracks: 52
colour: white
Pairing mode: automatic pairing - self-learning.
waterproof knob: IP44
transmission frequency: 433 MHz
Doorbell dimensions: 80 × 80 × 65 mm.
Knob dimensions: 19 × 38 × 92 mm.
Supported operating system: Android, iOS
Compatibility: EMOS GoSmart, TUYA, LIDL, Smartlife, Open System.
Protocol: Wi-Fi
Voice assistant control: no
voice communication: no
notifications to mobile app: yes
app languages: EN, CZ, SK, PL, DE, HU, SI, FR, + 60 other languages.