433Mhz Door Window Alarm SensorThe product is shipped based on the color or size of the main image of the product page, if you have special requirements, please leave us a message.Note: This sensor can't work alone, it must work with their 433MHz alarm system.Features:*Wireless 433MHz door sensor, for installed in the door or window to monitor the door/window switch state if it is opened or moved.*Simply attach one piece to your door or window, and attach the other piece to the door or window frame.*High Sensitivity. Excellent design, tiny and fashion. Easily install.*Ideal intrusion warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, etc.*Low-consumption chip design, which can make it work long time.Specifications:Two status: open and closeTransmission frequency: 433MHzAction: 15-30 mmLaunch distance: 100m (open area)Standby current: 10uA?Emission current: 15mAOperating environment: -10-50 (14-122)Package Size: Approx. 12*8*5cm / 4.7*3.1*2inPackage Weight: Approx. 200g / 7.1ozPackage List:1 * 433Mhz Door Sensor Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.