The portable Radio and Cassette Recorder is also a hidden camera. It receives AM/FM broadcasts and records audio from radio or built-in microphone. 2 way power: AC/DC or 4 C batteries (not included). Black & White •HC-CSTRD-G Wireless Camera with FREE 2.4 GHz Receiver  •HC-CSTRD-G-X Wireless Camera with FREE 2.4 GHz Receiver and X-Vision  •HC-CSTRD-G-HP Wireless Camera with High Power 2.4 GHz Transmitter  •HC-CSTRD-G-HP-X Wireless Camera with High Power 2.4 GHz Transmitter  Color •HC-CSTRD-GC Wireless Camera with FREE 2.4 GHz Receiver  •HC-CSTRD-GC-HP Wireless Camera with High Power 2.4 GHz Transmitter  Includes: • Wireless cameras include FREE 2.4 GHz receiver (a $160.00 value) • All necessary power supplies and battery packs are included. Options: • High Power is available with most 2.4 GHz transmitters and will increase transmission distance up to an addtional 1500 feet...increasing your wireless transmission up to 2500 feet. • X-Vision (.003 Lux) is a feature only available on black and white cameras. Allows best possible images in almost complete darkness. Specifications: Image Sensor: 1/3" Sony CCD (B/W) 1/4" CCD (Color) Resolution: 400 Lines(B/W) 380 Lines(Color) Min. Illumination: .05 Lux (B/W) 1 Lux (Color) Lens: 3.7mm Wide Angle Power Required: 12 V DC/110V AC