1. Appearance: lens circuit board without deformation,clean no dirt, no false welding, solder spot, bright, each mark symbol should be clearly visible, the focal length is clear. 2. Structure size: 38mm×38mm. 2.1 The outline size of the circuit board should be less than 4mm in the 38mmX38mm surface. 2.2 Slot with a 2.3mm PCB aperture (four positioning holes). 2.3 The height of the lens from the front of the PCB is 21.0±0.2MM. 3. Environmental and electrical parameters. 3.1 Temperature: -20℃~ +60℃, 3.2 Working voltage: 9-18V 3.3 Working current: DC-12V ≤65mA 3.4 Video interface output impedance force should be 75 Ω (1Vp-p, 75Ω); 3.5 Under the condition of illumination greater than 0.2LUX, the standard color palette should be distinguished on the camera, and the color of the monitor image should be consistent with the color palette. 3.6 The Sensor pixel of the camera is 2 million pixels.

Camera element	1/2.9 sensor
Video format	PAL
Pixels	AHD1920(H)×1080(V)
Sync Method	Built-in sync
Sensor pixels	2 megapixels
SNR	38dB
Dynamic range	81dB
Sensitivity	3.87V/Lux · s
Backlight compensation	automatic
White Balance	Automatic
Video output	1.0Vp-p 75ohm
Power required	DC-12V (9-18V)
Current consumption	≤65mA
Lens	3.6mm (940)
Lens height	21.0mm±0.2mm
Lens horizontal Angle	AHD85 °
Video output	Default AHD

 1 The detection camera should meet the C of Article 1.1; 2 Use vernier calipers to measure the shape, positioning hole, lens height and others of the camera, which should meet the requirements of 1.2.1 in 1.2; 3 The camera is connected to the display module and the display for detection, and the image shall not be distorted and other image distortion; 4 When the camera is working, the oscilloscope is used to measure the video signal video output amplitude test: 0.8~1.2VP-P/75Ω; 5 Connect the cable between the camera and the display, place the standard color card 0.4 meters in front of the camera, and the image on the observation monitor should be consistent with the real scene; 6 High and low temperature test: the temperature is 60℃ for 12h, and the power is added to work normally. The temperature is negative 20℃ for 12h, and the power test can work normally. 7 Camera selection of 3.6mm lens, horizontal Angle of view test AHD85 ° (measured), no dark Angle around the image; 8 Stability test, continuous aging for 24 hours, there should be no failure; 9 camera minimum illuminance test, camera minimum illuminance 0.01LUX.(no LED light)3.1 Vernier caliper with an accuracy of ±0.02㎜. 3.2 24 color standard color card, gray comprehensive test chart. 3.3 regulated power supply for display module camera, 14 inch color monitor.Q1. Does SKYNEX provide technical support for its Camera module visual doorbell? A: Yes, SKYNEX offers technical support and after-sales service for its Camera module visual doorbells to ensure customer satisfaction and product reliability. Q2. What is the warranty period for SKYNEX's Camera module visual doorbells? A: The warranty period for SKYNEX's Camera module visual doorbells may vary, but it is typically provided with a standard warranty against manufacturing defects. Q3. How can I become a SKYNEX agent for their Camera module visual doorbells? A: If you are interested in becoming a SKYNEX agent for their Camera module visual doorbells, you can contact their marketing center or customer support to inquire about the process and requirements. Q4. What are the available color options for SKYNEX's Camera module visual doorbell? A: The available color options for SKYNEX's Camera module visual doorbell may vary based on the model, but they usually offer popular colors like white or black. Q5. Does the Camera module visual doorbell support mobile app notifications? A: Yes, if the Camera module visual doorbell is connected to a mobile app, it can send notifications to the user's smartphone when someone rings the doorbell or when motion is detected.