2 In 1 Motion Sensor Alarm and Chime

Secures Your Home From Intruders! Piercing Alarm or Pleasant Chime."Feel Safe and Secure anywhere. Infrared Motion Sensor Technology. No installation required. Panic button activates the alarm. Includes 1 mountable alarm unit and 2 remote control units."Great for doors, sheds, garages and more. 4.75 x 3.75 x 1.75 and includes retail packaging.  Motion sensor requires 4 "AA" Batteries (not included) and each remote requires 3 1.5v batteries (included)