Sell DAYTECH Wireless Door Window Alarm Sensor 130dB Independent Standalone Sensor Burglar Alarm Doorbell best price

【WINDOW and DOOR ALARM with 130dB】When the door or window is opened, this wireless burglar window door sensor alarm can emit a alarm sound of 130dB. 【EASY to INSTALL & USE】These door alarms for home security are super easy to install as all you have to do is stick the 3M sticker on the back then paste the alarm on the doors and windows. The minimum working distance of the equipment is 0.5in (8~15mm), so when installing, please make sure that the two window and door sensors are as close as possible. Easy operation, press on/off switch to power on/off. 【MULTIPLE ALARM MODES】Burglar alarm/Door Bell/30 seconds alarm/DI DI Burglar alarm/Delay mode. 【APPLICATION】These window and door sensors can be put easily wherever you need them. Great for attaching to house doors and windows, swimming pool, garage, office, supermarket, bedroom, RV and so on, put them where you see fit.