The Yale Shed Garage Alarm comes with motion detection, the alarm will sound 10 seconds after motion is detected if PIN code is not entered. You can set your own 4 digit PIN code. Its 100dB siren is loud enough to alert you when motion is detected. There is also a low battery indicator, a red light warns you when batteries are running low. Ideal for securing buildings outside of the main home. Simple to install, it can be wall-mounted or freestanding. A great wireless security solution for sheds, garages, outbuildings and caravans. Only fixings included. Comes with a 2 year guarantee.