Wireless li-battery smart door window sensor for alarm system

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Basic Info

Place of Origin:	Guangdong, China (Mainland)

Product Description

Specifications 1. Open and closed status monitoring and alert

2. Low voltage alert with LED light

Wireless li-battery smart door window sensor for alarm system DP-87K Feature       1, Operating voltage: 3.7V, 200mA (powered by high capacity rechargeable Li-ion battery)
  2, Open and closed status (of doors and windows) monitoring and alert      3, Extra function : emergency alarm
     4, Low voltage alert with LED light and send signal to alarm host
     5, Wireless transmission distance: 100M
6, Frequency choices: 433MHz / 868MHz