10 Pack Wireless Door Window Alarm Magnetic Burglar Alert Sensor with Batteries Loud Door Alarms for Kids Safety DIY for Home Security Office Protection,Shopping Store
- Big LOUD ALARM – door window sensors loud enough to detects entry, prevent kids and babies going out the house, protecting your home office, garage,....
- EASY INSTALLATION - Wipe the flat surface, peel off sticker, mount the alarm on door and magnetic stripe on door frame. Done!!.
- SMART DESIGN - The alarm and magnetic stripe are separated more than 0.39inch(10mm), it keeps going off until you close door(make them connection) or....
- Size: 2.52" x 1.67" x 0.66, no much space needed to install. It has 3 adjustable settings (on/off)..
- POWER SAVE– battery for power supply can be used for more than one year(3 * LR44 batteries included per alarm )【NOTE: 1. Take out the plastic....