Features：

◆True wiring free

◆Ease of installation

◆Mobility featured for feasible movement

◆Worry-free of unexpected AC power failure

◆Power saving design, longest battery endurance

◆3 wireless protected zone

◆Built-in siren 100dB at 30cm

◆Built-in microphone for 6 seconds one alert message recording

◆PSTN dial out to 4 preset numbers for event or emergency alert

◆LED indicators for Zone 1, Zone 2, Panic, Battery low and status