Heavy Car Interior Camera AHD 1080P for 12V Bus/Truck/Vans Vehicle Inside Monitoring System IR Night Vision Video Sound Record Camera configuration The camera only can work with AHD monitor or AHD DVR, in order for the camera to work properly, please ensure that your monitor or DVR also meets the following conditions:1. It must support PAL module, and you need to set the module as PAL when connecting our camera.2. It must support 1080P camera, and you need to set the image pixels as 1080P when connectiong our camera.3. The output voltage of monitor or DVR must be 12V.4. The connector must be 4PIN aviation connecotor. Inside Installation The camera mainly install inside of the vehicle, easy installation with aviation cable. Installation demonstration 1920*1080P AHD Camera AHD(PAL) technology and 1080P metal glass Lens, giving you a sharp, clear and colorful image while driving. 150 Degree of viewing angle 150 wide angle viewing, enable you to see more inside viewing while driving. Attention to Detail Pay attention to details, thoughtful design and metal shell, solid and durable, build in Microphone for sound recording, an ideal AHD camera for vehicle system.