Product name
Anti-Theft Home Security Siren Alarm Systems
Wireless frequency
RF433 Mhz connect to GSM alarm panel
Receiving distance
100 meters in open space
Alarm sound
120dB, 5 volume levels, mute; 1 minute
Anti tamper
Anti tamper Anti dismantling notification
Power supply
DC 5V, 4*AA batteries
Work temperature
- 20 ℃ ~ 50 ℃
Work as alarm host
20 remote controls, 40 detectors
siren ringing time
1 minute