- 【tolviviov Contact Sensor 】Only works with tolviviov home alarm system.
- 【Transmit Distance from Host】 more than 60m.
- 【Easy to Install 】 Just peel and paste ( battery and double-sided stickers included).
- 【Real-time Alarm】When the door/window is opened, It will send an alarm signal to the base station.
- 【Pairing 】Press the SET button 2 times and hear a beeping sound, Then separate the contact sensor, and hear the beeping sound again. The pairing is successful.
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