KERUI Wireless Easy setting Simple Operate Home Security Burglar Alarm System 110dB Loud Speaker Doorbell Emergency Function
![](http://ae01.alicdn.com/kf/H776b0d8c0e564a6b81b1ddd8d89885eaj.jpg)
Home security alarm siren
The host will sound loudly to attract attention and deter shieves when receive the alarm signal.
![](http://ae01.alicdn.com/kf/H2318637234cb42a78a05ac6ef1dbe843H.jpg)
How does this alarm system work?
1. Press the arm key on the remote control. And then the siren will work to protect your house.
2. When they trigger the door sensors, PIR sensors, curtain detector or other sensor, this siren will sound
3. You can control disarm by remote control. Otherwise, it will keep playing for about 2 minutes and then stop if nobody disarms it.
![](http://ae01.alicdn.com/kf/H839765a4069f4247ac4d69f4979dcba7G.jpg)
![](http://ae01.alicdn.com/kf/Hb4a4f2e7609148dd82b51e248c57659e0.jpg)
Sensitive alarm reminding
![](http://ae01.alicdn.com/kf/Hbde3dd541f3a4871a560df368f3f9703I.jpg)
Add more accessories or hosts
The sensor can work with more than 2 siren alarm hosts. It can be placed in different areas.
![](http://ae01.alicdn.com/kf/Had9e7594ddbf4c449c7500c6e701cdb7Z.jpg)
Wireless connection
![](http://ae01.alicdn.com/kf/Hdb7a2c5593024f998445821f8a553430w.jpg)
110dB alarm siren sound
![](http://ae01.alicdn.com/kf/H35e7982dfd5442788da8ccc6236bec79q.jpg)
Technical parameters
1. Dimension:12mm X 10.2mm x 11mm
2. Power: AC 110-240V the length of the power cord is about 92cm / 3ft, it can be extended by yourself.
3. Power adapter: DC9V1A (included)
4. Wireless operating frequency: 433MHz
5. The use of the environment: stability: 0 ℃ -55 ℃
6. Relative humidity: 40% -70%
7. Alarm sound: greater than 100 dB
Product detail
![](http://ae01.alicdn.com/kf/Hfeb0266f5373463c8527e388f87c9effQ.jpg)
![](http://ae01.alicdn.com/kf/H6545f966dc79490892eff88ee42d2b978.jpg)
Sensor introduction
![](http://ae01.alicdn.com/kf/H9d4a10cda4a948df8b154588f7f88688O.jpg)
![](http://ae01.alicdn.com/kf/H758a87df4b3647a99379574226389c9dT.jpg)
![](http://ae01.alicdn.com/kf/H5e46efda553649ffb87c1ce8f65d3879X.jpg)
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![](http://ae01.alicdn.com/kf/H94a6ecc8d53f43369f95937bac2301740.jpg)
![](http://ae01.alicdn.com/kf/HTB1ab54XNiH3KVjSZPfq6xBiVXaj.jpg)