This wire-free storage unit shed alarm is quick and easy to install, requiring no wiring or mains power. This Garage & Shed Alarm is a convenient and effective PIR (Passive Infra Red) motion sensor alarm that offers peace of mind through round the clock protection for the user. The alarm unit can be placed within your home, with an alarm output of 90dB this alarm will alert you if something or someone is in the range of the sensor. The Sensor and Alarm unit are both wireless and there is no need for wiring or mains power, this unit uses a total of 7x AA batteries (not Included). A burglar deterrent sticker is included with this product to be placed on a window of your choosing Main Features: Instruction leaflet included Burglar deterrent window sticker included Alarm triggered on detection of movement Alerts homeowner while inside the home 7x AA batteries required (not included) Alarm or chime modes Low battery indicator Technical Data: Alarm output: 90dB Item Weight