Xuhal 1 Pcs Door Window Alarm for Home Security Bulk Wireless Door Sensors Security Burglar Alarm Anti Theft for Safety, Home, Office, Garage, Apartment

["Package Contents: you will receive 1 pieces of window alarms for home security, sufficient quantity to meet your usage needs, replacement needs and sharing needs, small size, suitable for many kinds of doors and windows","Loud and Clear: with a decibel level of 90, door alarms can be heard from a long distance; When the distance between two door sensors is greater than 10 mm, it will sound a high pitched alarm to scare away thieves and warn the owner of strangers to prevent accidents","Versatile Usage: tear off the double sided tape to fix the host on the door or window side, and paste another strip of door magnet in a straight line along the host prompt line on the door frame; Check the setting by turning the host switch to the \"ON\" position; Open the door and see if the door and window security alarms sound","Easy to Assemble: home alarm is easy to install, just stick the main accessories on the lid and the box, or the two windows and align (leave a gap of about 10 mm); You can use the switch control when you want to open the box, doors and windows; The alarm requires 2 AAA batteries (batteries are not included); If you are worried that the product will fall from the doors and windows, you can properly add double sided tape to ensure firmness","Where to Apply: window sensors for security adopt wireless magnetic induction switch, suitable for home, office, hotel, apartment, : mobile home, garage and other places, to remind children and the elderly to go out and increase the safety and security of the family"]