Astak Cm-A815 2.4Ghz Wireless Pinhole Camera.FEATURES:• The world’s smallest pinhole wireless colour camera! • Small enough to put up anywhere just connect to your TV or VCR• Tiny size for discreet monitoring & portability. • High quality color images: 380TV lines clear picture display.• Channel scan for multi-camera usage, 4-channels available to avoid interference.• Built-in microphone for audio monitoring.• Transmission distance: up to 300 feet line of sight (Reduced through obstacle such as walls).• Easy installation - No wiring needed.SPECIFICATIONS:• Imaging sensor: 1/3-inch CMOS• CMOS total pixels: 510 x 492 (NTSC)• Shutter Control: 1/50-1/10,000 second• Horizontal resolution: 380 (TV Lines)• View Angle: 62 degrees• Video output: RCA jack• Camera Dimensions: 23 x 23 x 23 mm (0.9” x 0.9” x 0.9”)