Sounds alarm when door or window opens, helps deter intruder and alert residence
Includes five 120-decibel window/door alarm with three adjustable settings off/chime/alarm
Easy and convenient to install, requires no wiring. All mounting hardware included, for indoor use only
Low battery test button to easily check battery life, includes 1 Lr44 battery for each alarm
Perfect for home, garage, apartment, dorm room, mobile home, RV, office and more