1. Dynamic backup guideline provides precise calculation of trajectory, accurate path and distance judgment, and high-quality images with clear details. 2. 170-degree ultra-wide angle lens delivers high-definition night vision, supports AHD1080P and CVBS signal switching, and allows adjustable lens angle. 3. Supports multiple installation methods: horizontal, inverted, or side mounting; compatible with rear view, front view, and side view applications. 4. IP68 waterproof housing is highly shock-resistant, built to industrial standards with adhesive sealing to prevent water ingress. Note: Trajectory line position is fixed for AHD style. Reminder: For AHD1080P model, please verify that your Android device supports AHD1080P camera input. If AHD1080P is not supported, the camera will not function. Access car settings > Factory settings > Reverse image settings > Select AHD1080P. Cameras with CVBS video output are compatible with all displays, but AHD cameras require AHD-compatible displays. Frequently asked questions: A) Using the wrong camera system (e.g., PAL/NTSC) may result in a black and white display. Ensure the correct system is selected and restart the camera power. CVBS cameras use NTSC system; AHD1080P cameras use PAL system. Color: Black Material: ABS Package Contents: 1 x Car AHD 1080P Backup Camera 1 x Wiring Harness Set Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting conditions and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.