Product Review

Please note:the standalone door alarm can't stick to steel door/window,but you can stick to it to wood or firm paper first,then make both side of door sensor with same level ,it will work normally.
Feature:
Fuers standalone wireless home security office business apartment windows and door alarm sensor for child/elderly/kids safety,siren sound loud up to 100db startle the intruder wake or alert you if at home and possibly alert neighbors,the volume can't be adjusted.
When it is triggered will sound at once,it will make alarming sound 1 minutes without any operation;press set button longer to turn on/off the sensor,press set button shorter to change warning tones,press set button to stop alarming sound.
Technical parameter
battery:3 x LR44(including in package)
Working Voltage:4.5V
Standby Current: less then 10mA
Working Current: less then 70mA

Packing included:2 X Contact (batteries are included)* 2 X Magnet * 2 X Double Sided Adhesive Tape * 2 X English Manual
Note:If you have any questions,please email our customer service [email protected],we will give you professional reply in time at our work time 6PM~4AM PST,thanks.