Astak Wireless Camera Product Description Keep a home or business protected with this CM-A815 Astak Wireless Security Camera. It is easy to install in a few minutes and can transmit up to a distance of 300' at 2.4 GHz. This Astak security camera provides live video with 380 lines of resolution on a TV set and records directly to a VCR or DVR. It also includes a built-in microphone and receiver with four switchable channels to avoid interference. Features: Color: Black 2.4Ghz 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: transmits up to 300 feet away Small enough to put up anywhere just connect to your TV or VCR Specifications: Imaging sensor: 1/3-inch CMOS CMOS total pixels: 510x492 (NTSC) Horizontal resolution: 380 (TV Lines) View angle: 62 degrees Minimum illumination: 1.0Lux/F2.0 Video gain control: automatic Audio: Built-in Microphone Frequency: ISM 2,400-2,483 MHz 4Channel Modulation mode: FM Bandwidth: 18MHz Power supply: 8+ VDC Consumption current: 80(Max)mA Operating Temperature: -4~+122 (F) Storage Temperature: -40~+185 (F) Operating humidity: 85%RH Unobstructed effective range: 300 (Max) line of sight (Feet) Electronic shutter: 1/50-1/10,000 (Seconds) Unit Dimensions: Receiver: 0.90 x 3.10 x 3.6-inches (H x W x D, approximate) Camera: 2 x 1.3 x 1.10-inches (H x W x D, approximate) Weight: 0.5 Ounces Package Includes: Astak CM-A815 2.4GHz DIY Wireless Mini Pinhole Spy Camera Camera power adapter Receiver CM-101 (with AV cable) Receiver power adapter Mount w/mounting hardware 9V battery Vertical receiver mount Users manual Quickstart card