High Quality 24IR LEDS Indoor Night Vision 1/3"CMOS COLOR 1200TVL Dome CameraIR-Cut:IR-CUT double filter is defined in the built-in camera lens group a set of filters, infrared sensing point of the lens when the outside light to detect changes in the strength, the built-in IR-CUT filter can be switched automatically according to the external light along with the strength of automatic switching, making the image to achieve the best results. That is, during the day or night, double filter can automatically switch filters, therefore, whether in the night or the next day, can get the best imaging results.usually camera without ir-cut can't be good use in night.Description:100% Brand New and High QualityImage Sensor: 1200TVL Image SensorTV System: NTSCEffective Pixels:NTSC: 976(H)x494(V)Lens: Built in 3.6mm LensHorizontal Resolution: 1200TVLInfrared LED number: 24IR LEDMinimum Illumination: 1.0Lux F=1.2 (0Lux with IR on)S/N ratio: =48dBVideo Output: 1.0Vp-p.75. BNC ConnectorGamma Correction: 0.45AGC: AutoWhite Balance: AutoBacklight Compensation: AutoExposure Mode: EEElectronic Shutter: 1/50(1/60) - 1/100000 secPower upply: DC12V 1AOperation Temperature: -10°C ~ 50°C Weight: 152 gSync. System: Internal Synchronization