Security White Door Alarm Sensors Set + 30 AAA batteries New

Set of white door alarm sensors. Ideal for home security. Purchased but never installed. Super Loud Super loud 90 dB alarm. When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can issue a strong alarm, warning the intruder to leave and remind the owner Super suitability and stability. Easy stick installation and operation, press on/off switch to power on/off then insert 2 PCS AAA battery (included). Protect Your Property Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes,apartments,mobile homes,offices,hotel rooms,garages,and more. Keeping Children Safe Keeping children safe, preventing them from running out of the room and avoiding the threat of animals to children. Everything I sell, comes from a pet and smoke-free environment!