Battery Powered Kerui Doorbell Wireless Waterproof IPV5 Doorbell Home Hotel with 32 Ringtones Chime

M5376:

Plug type: Chinese, American, European, British, Australian, Indian

Input Voltage:100~240V(50~60Hz) AC

Standby Current: ＜5mA (220V AC)

Operating current＜15mA (220V AC)

Number of transmitters: 20

Radio frequency: 433.92MHz

RF wireless distance: 100m (open space)

Modulation mode: 433.92MHz OOK

Volume level:5 levels (including mute)

Maximum decibel:100db

Receiving sensitivity:-110DB

Number of tracks:32 tracks

Temperature:-20~55 ºC

Humidity:20~85%.

Texture:ABS+PC

F156:

Indicator color: blue

Working voltage: 3V (a CR2032 button cell)

Operating current:＜12mA

Standby current:＜1uA

Transmitting power:10dBM

Transmitting distance＞100M (open space)

Transmitting frequency: 433.92MHz

Waterproof rating: IP55

Standby time: 20,000 times

Weight: about 34.5g