Wireless transmission color CCD camera: Image device: 1/4-inch Sharp color CCD Horizontal resolution: 420 TV lines Usable illumination: 0Lux (built-in 12 IR LED day/night function) Camera alloyed shell Weather-resistant for outdoor usage Frequency: ISM 2,400 to 2,483MHz 4-channel Transmission power: CE: 10mW FCC: 2mW AV wireless transmission distance: 100m without block Power supply: 12V/300mA Operating temperature: -10 to +50°C Storage temperature: -20 to +60°C Dimensions: (W) 120 x (D) 120 x (H) 70mm Weight: 400g Wireless receiver switching box: Receiving frequency: ISM 2,400 to 2,483MHz 4-channel Demodulation type: FM Intermediate frequency: 480MHz Frequency stabilization: ±100ppm Local leakage at RF input terminal: ≤-55dBm Receiving sensitivity: ≤-85dBm Video output: 1.0Vp-p, 75Ω Video S/N ratio: 38dB Audio output signal impedance: 600Ω Audio output signal level: 1.25V ±0.25Vp-p/1kHz Audio output frequency range: 250Hz to 10kHz Left subcarrier frequency: 6.5MHz Unobstructed effective range: 100m Power supply: 12V/300mA Dimensions: (W) 102 x (H) 70 x (T) 38mm Electrical and hardware accessories: Two meter electrical cables Camera rotates 360 degrees mount Two power supply adapter User manual