The UZI-OD-1 Observation Listening Device has a 300-foot range and noise reduction. This model features a microphone, on/off switch, 8X monocular, frequency controller, record button, playback button, and headphone. This model uses a 9-volt battery. UZI combines advanced technical concepts with innovative designs to produce products used and trusted by the Army, Secret Service and Special Forces. Since its launch in the 1950s, UZI has become one of the world's most famous firearm brands and a 20th-century icon. Features and Specifications: Hear conversations 300 feet away and noise reduction Targeted noise reduction Comes in black Used and trusted by the Army, Secret Service and Special Forces Item Weight (Oz): 20.50 Item Dimensions, Length x Width x Height (In): 10.50 x 8.25 x 8.00