Name : High power, long transmitting distance door sensor (which is compatible with long distance alarm system)
Model : SA-MC08FM
Manufacturer :
Readme :
This door sensor is rechargeable. Low battery reminding function will remind you charging the built-in battery during low-battery. We will give you a power adaptor for free. You just need to charge the battery for 2 hours, it can use for 1-2 years. Extra 1 USD for self checking function....
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