Description
- Hign-concerned Chemical: None
- Origin: Mainland China
* Transmission frequency: 433MHz
* Built in-backup battery
* Built-in Antenn Cansendout 110db(+3db or -3db) audio alarm and flash built-in LED when the system alarms
* Operating power:110-240V
* Dimensions:11.2(W)x20.1(L)x7(H)cm
* Comply with GB12663-200
Built-in Backup Battery
Can connect with PIR, door contacts Point
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