This 2.4Ghz 2.5 inch wireless DVR baby monitor kits comes with one wireless mini night visioncolour camera, it can work as baby security monitor and spy surveillance system. Specification: Monitor Receiver: System: PAL/NTSC Receiving Frequency: CH1=2414MHz ; CH2=2432MHz ; CH3=2450MHz ; CH4=2468 Current consumption: 250mA-550mA Receiveing sensitivity: -88dbm Antenna input impedance: 75ohm Video output level: 1vp-p Audio output level: 1vp-p Music format: MP3, WMA, OGG, AC3 Video format: AVI, MPEG1, MPEG2, MPEG4, VOB, DAT Picture: support picture browse Memory : flash memory and expand SD cards(up to 4GB) S/N: more than 85db Display: 2.5 inch TFT Language: Chinese, English, French, Italian, Portuguese, Spanish, Dutch Power: Built in rechargable Li-battery,4.2V/1300mA Working time: more than 2 hours Video outlet: RCA Support computer system: WIN98SE/ME/XP/WIN2000 USB2.0 connect to computer Camera: Image sensor: 1/3 color CMOS CMOS pixels: PAL: 628x582,NTSC:510x492 Horizontal resolution: 380TV lines View angle: 62 Minimum illumination: 0LUX IR on Gain control: Auto Frequency: ISM 2400—2483MHZ 4CH Transmission power: 10mw Modulation mode: FM Bandwitch: 18MHZ Consumption current: 120mAh Operating humidity: 85%RH Dimensions: 60.0x46.0x70.0mm Transmission distance: 100m without block Power supply: DC 5V Lamps: 30pcs Night vision range: 15m Condition: New