Technical Specification 

Wireless Frequency

433/886MHz

Transmit Power

10dBm

Transmit Distance

150m (open area/no interference)

Sound Intensity

85dB (1m)

Sound Set

On/Of

Tamper

Front cover and rear cover protection

Power

4 x CR123A, 1 year battery life

Temperature & Humidity

-10°C~55°C, < 95%

Installation Way

Wall mount

Dimensions

98*55*26mm (L*W*H)

Weight

0.2kg