Barking Dog Alarm

This barking dog alarm uses an electronic radar-wave sense control. This technology allows it to “see” through walls, cement, brick, glass, etc. When an invader enters the area of protection. The alarm begins barking like an angry dog. From outside, it sounds like you have a very unfriendly and furious dog inside. This alarm can also be set to make a chime or alarm noise when visitor arrive to your house. The radar-wave sensitivity is adjustable from 10-20 feet. Volume is also adjustable.