SPY GEAR Wireless Miniature "Shirt Button" Camera System Camera looks like a shirt button, that small! Blends into a wall, ceiling or furniture and goes totally undetected and uses a standard 9-volt battery as the power supply. Complete CCTV system that includes the spy camera with a 9-volt power supply, AC 110-volt adaptor for continuous operation, receiver with antenna, standard video cables to connect the receiver to your TV, VCR, monitor or laptop. Crisp image with 380 TV lines, 78 degree viewing angle and the camera signal may travel up to 100 yards depending upon obstacles. Same as spy-102 system except it is a "shirt button" camera instead of screw head, perfect for undercover work as the dark button could protrude from your clothing to capture the image and broadcast to back-up team, TV or VCR.