KJB Pro Hidden Camera Detector is a law enforcement-grade DD1200 that can discover hidden cameras by using a powerful infrared principle that reflects the camera's optic lens up to 60 feet away! This Professional grade unit has adjustable brightness with a bar graph indicator and a low battery indicator and is housed in a durable metal case. The DD1200 can find all types of covert cameras, on or off. Its other features include a detection distance of up to 60 ft, a battery discharge indicator, and adjustable radiation power. This DD1200 infrared camera detector is powered by 2 AAA batteries Detection of all types of hidden cameras working or not distance detection between 2 and 10 meters. Box Size 7 x 5 x 1.50 Weight .65 Item Size 5.5 x 1.25 x .50 IR Filter for rejection of natural reflections."