久久久WWW成人免费无遮挡大片|欧美午夜精品一区二区三区电影|欧美精品乱码视频一二专区|精品国婬伦v无码久久久|精品人妻无码专区视频|

Function:
The wireless alarm system is suitable for protecting flats and houses against break-ins and fires, as well as for raising the alarm in the event of an attack and calling the emergency services. 
The alarm systems contain:
1. Wireless alarm control unit 
2. Wireless remote control 
3. Wireless door/window sensor 
4. Wireless motion detector
Technical dada:
1. Bidirectional 868MHz wireless connections between the control unit and peripheral devices provide extremely reliable data transmission and a high degree of immunity from interference caused by external factors.
2. Long battery life: 2-3 years