ITEM NAME:1/3"CMOS 1200TVL CCTV Dome Camera 24 IR Night Vision Security HD 3.6mm Lens #k Product Description Description: High Quality 24IR LEDS Indoor Night Vision 1/3"CMOS COLOR 1200TVL Dome Camera IR-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 Quality Image Sensor: 1200TVL Image Sensor TV System: NTSC Effective Pixels:NTSC: 976(H)x494(V) Lens: Built in 3.6mm Lens Horizontal Resolution: 1200TVL Infrared LED number: 24IR LED Minimum Illumination: 1.0Lux F=1.2 (0Lux with IR on) S/N ratio: =48dB Video Output: 1.0Vp-p.75. BNC Connector Gamma Correction: 0.45 AGC: Auto White Balance: Auto Backlight Compensation: Auto Exposure Mode: EE Electronic Shutter: 1/50(1/60) - 1/100000 sec Power upply: DC12V 1A Operation Temperature: -10Â °C ~ 50Â °C Weight: 152 g Sync. System: Internal Synchronization Included: 1x CCTV Dome Camera 1x user manual.Image Sensor: 1200TVL Image Sensor. Horizontal Resolution: 1200TVL. Gamma Correction: 0.45. Minimum Illumination: 1.0Lux F=1.2 (0Lux with IR on). Electronic Shutter: 1/50(1/60) - 1/100000 sec. Lens: Built in 3.6mm Lens.