Feature:1. Auto Gain: OSD, it is displayed on the screen through the function menu to achieve the purpose of adjusting various parameters.2. Excellent Performance: High temperature resistance 20 to 60 . Chip model 2090and811, high sensitivity perfectly adapted to the camera.3. Simple Installation and Parameters: Easy to install, easy to use. Horizontal resolution: 700TVL, chip model: 2090and811.4. High Quality PCB Material: Made of high quality PCB material, sturdy and durable, long service life.5. Widely Used: This tiny camera board can be installed in the most narrow position for security camera system, dashcam, etc.Specification:Item Type: Camera ModuleMaterial: PCBSize: Approx. 23x23mm or 0.9x0.9in Horizontal Resolution: 700TVLChip Model: 2090and811Signal Type: Analog SignalAuto Gain: OSDVideo Output: 1Vp-pAudio Output: NoneSystem Synchronization: Internal SynchronizationOperating Temperature: -20 to 60 Backlight Compensation: OSDMinimum Illumination: 0.1lxSNR andgt 52dB.Package List:1 xCamera ModuleNote:Manual measurement, please allow some error.