All you need in a kit. This is plug and play Wireless System with B/W Hidden camera. System comes complete and ready to operate with high performance wireless four channel transmitter and receiver with a range of up to 300 feet, high resolution extremely small pinhole camera, plug in power supplies, video cables. The system is perfect for fast and easy monitoring without wires or heavy installation time. The tiny camera plugs into the transmitter, and the receiver plugs into a standard VCR and the installation is complete.