Astak CM-A815 2.4GHz DIY Wireless Mini Spy Surveillance Hidden Pinhole/Mini Color CCTV CMOS Camera 380TV lines (1 Pinhole Camera + 1 Receiver) 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 Small enough to put up anywhere just connect to your TV or VCR.