General: Transmission frequency: ISM 2,400 to 2,483MHz Transmission power: 10mW/CE; 2mW/FCC Operating frequency: 2,414MHz; 2,432MHz; 2,450MHz; 2,468MHz Unobstructed effective range: 100m (minimum) Modulation mode: FM Operating temperature: -10 to +50°C/+14 to +122°F Storage temperature: -20 ~ +60°C/-4 to +140°F Operating humidity: ≤85% RH Camera: Imaging sensor type: CMOS Picture total pixels: PAL: 628 × 582 pixels NTSC: 510 × 492 pixels Horizontal resolution: 380TVL Viewing angle: PAL: 60° NTSC: 40° Minimum illumination: 5 lux Lithium battery charge time: 2 hours Lithium battery working time: 5 hours Bandwidth: 18MHz Power supply: DC +5V Dimensions: 23 x 66 x 23mm Weight: 32g Receiver: LCD screen type: 2.5 inches TFT-LCD Effective pixels: 640 x 240 pixels Receiving sensitivity: ≤-85dBm Video system: NTSC/PAL Color configuration: RGB delta Intermediate frequency: 480MHz Lithium battery charging time: 2 to 3 hours Lithium battery working time: 2 hours Consumption current: 350mA (maximum) Power supply: DC +5V Dimensions: 80 x 38 x 130mm Weight: 160g