Magnetic Sensor Alarm

TECHKO's Magnetic Sensor Alarm can provide valuable protection for your home or property by detecting unauthorized opening of a door, sliding window or cabinet door with a 6-tone alarm. This magnetic sensor alarm can be mounted on almost any door or window and requires no wiring or special installation. This unit is equipped with a built-in alarm or chime mode and has a low battery LED indicator. Requires (3) 1.5V AAA batteries (not included), contains one Magnetic Sensor Alarm. Alarm/Off/Chime slide switch Built-in siren or chime modes LED low battery indicator Sensor can be installed on either side of the unit Alarm sounds at ~115 dB   Model: S283 This item is not UL 2017 approved.