Features:  

*Can be used as alarm host or connected in alarm system

*Support maximum 5 wireless remote controllers

*Support 20 wireless defense zones

*Build-in 280mAh lithium battery as back up power

*High intensity LED strobe for alarm

*High decibel volume for alarm

*Lower power consumption

*Alarm output: Sound and flash

*Wireless transmission 433MHz, 315MHz optional

*Compact design and easy installation

Parameter: 

Working voltage：DC5V 

Backup battery: 280mAh lithium battery

Standby current: ≤13mA

Alarm current: ≤230mA

Alarm sound level: 100dB

Alarm output: Sound and flash

Wireless frequency: 433Mhz/315Mhz (optional)

Working temperature: -20°C-50°C

Working Humidity: ≤80%RH 

Size: Φ81*36mm