Saful TS-5517 built-in antenna door/window detector

Saful TS-5517 built-in antenna door/window detectorWorking with GSM alarm systemFeatures1.easy to install 2.Can work individually 3.can work with other alarm system4.This is separated wireless door sensors, magnetic control,inner antenna5.wireless transmit are separatad .6.It can be installated in doors ,windows and other special places.Specifications Operating voltage DC12VStandby current ≤5uATransmitting current ≤15mABattery life 1 to 2 yearsTransmitting Freq. 315MHz,433MHz or 868MHzSending distance>100m (in the open area)Code mode fixed code, roll code
Saful TS-5517 built-in antenna door/window detector