The photosensitive element: 1/4 PH3289 Pixel: 700W Definition: 600 lines Illumination: 0.5LUX SNR: ≥ 48dB Gamma: 0.45 Investigation: 60 fps Video output: analog wireless transmission Audio output: no Synchronization: synchronization Method: PAL or NTSC (standard PAL) Power supply voltage: DC5V Power consumption: 120mA Can be equipped with wide-angle lens: lens plane (standard plane lens) The video transmitting machine size: 15mm x 20mm x 10mm Lithium battery size: 65mm x 38mm x 15mm Lithium battery capacity: 1200mAh Battery available time: 8 hours Can directly use the power ups to use Frequency: 2.4GHz Power: 50mW Wireless transmission distance: 50 meters of open USB: support system: WIN7 XP wireless and wire can take pictures and videos manual channel switching The wireless receiving frequency: 2.4GHz USB 2.0 with audio The video resolution: 720 x 576 Video surveillance: 30fps Matching wireless camera computer can display and record the image and sound.