Parameters:
Remote wireless range: up to 66 ft (20 meters)
Waterproof rated: IP54
Working Frequency: 433.92Mzh
Working environment temperature: -40~70
Working environment:
Storage temperature: -40~70
Adjustable Sensitivity: 7 levels from gently touch to push or beat
Adjustable Volume: 3 Levels from 96dB, 105 dB to 113dB
Ringtones: 3 kinds of ringtones to pick from
An alarm need 4.2V 700mAh rechargeable lithium battery ( built-in) standby for 3-6 months
A remote need a 12V/27A alkaline battery ( included ) standby for over 1-2 years