This multifunctional Motion Activated Barking Dog Security Alarm System uses an electronic radar-wave- sense control. This technology allows it to "see" through wood, cement, brick,, glass ect. When an intruder enters the 1000 triangle of protection it automatically begins barking like a big bad angry unfriendly dog inside. The radar sensitiviity is adjustable from 10 -20 feet. Volume is also adjustable. Stands 9 inches tall. Powered by AC power supply. Also takes 8 AA back-up batteries (not included) in case of power loss. Unit needs to face in the direction you want to detect motion. Dectection is limited from the sides and rear. Th remote control lets you Arm and Disarm the system as well. You can also connect one additional sensor. It can also announce visitors with a chime or an alarm. No housebreaking, no chewing, no feeding, no vet bills! | 
