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. Measures 4.75 x 3.75 x 1.75 inches.