Single Product

Wireless Door/Window Entry Alarm The YL-333 Magnetic Antitheft Alarm is an easy-to-install security alarm system for doors and windows This battery-operated device works on the principle of magnetic proximity detection It can potentially be placed on any kind of door/window and can make a very loud alarm sound (~90dB) The method of the YL-333 “set and forget” antitheft alarm is simple When the encapsulated magnet part of the system is far enough from the AAAx2 battery-powered base, the 90dB thundery scream kicks in and let you know somebody had opened a door (or window) they shouldn’t have