DescriptionGuiding Line : YesLens Material : glassLength of Video Cable : 6MShell Material : PlasticMaterial Type : AbsWire or Wireless : WireAlarm Type : Rear Side,Accessories,Vehicle Backup CamerasBrand Name : GreenYiOrigin : Mainland ChinaCertification : CE,RoHSPixels : AHD 1080P or 720P OptionalVideo Signal : AHD / CVBS OptionalAHD / CVBS Optional : 170 Degree OptionalLens : Fisheye 6 Glass Lens OptionalNight Vision : Top Starlight Night VisionTV System : NTSC or PAL Optional,NTSC or PALPower : DC 12V~24V, 2AWaterproof : SupportChips : HD Sony/OV2053HDVideo Cable Material : Pure CopperWorking Temperature : -30C ~ +70CMaximum Power : 3WModel Number : AF931Tip: because there may be slight differences between cars produced in different countries, please check the size before buying:AHD1080P CameraAnalog High Definition Technologie170 Wide AngleFisheye Lens - Real 170Top Starlight Night VisionStarlight night vision function allows the camera to be used properly even at night.WaterproofThe camera is filled with waterproof silicone, Effective chip protection,IP68-Rated for Use in Extreme ConditionsPure Copper 6m Video CableCompared to copper-clad aluminium cables, data is transmitted in pure copper cables with less signal loss.Integrated Step-down ModuleSupport DC12V~24V,Low power consumption, cable never hot, reduce fire risk.Tips, About AHD Style: Adjustment to AHD signal via monitor settings is required before mounting the cameraGo to Car settings >> Factory settings >> Reverse (picture) settings >> Select AHDIf your monitor don't support AHD signal, please cut the white wire and change to CVBS signal.If you don't need camera parking line, please cut the green wire.Tips: If the monitor is android dvd or stereo radio, you need 6m cable red trigger wire "A" and "B":"A" connect reverse lights power DC 12V+."B" connect to radio trigger wire.FAQ:How to choose a rear view camera that can be suitable for my car model?A) According to the main car model, search in the shop, there will be several type of cameras, and then buy according to your actual original license plate/ handle.B) Or you can measure your size and consult customer service to confirm the camera model.Tip: because there may be slight differences between cars produced in different countries, please check the size before buying.For quality problems, please contact GreenYi customer service and provide relevant videos or pictures, we will deal with buyer problems within 24 hours.