The adapter connects to a 7-pin port on your vehicle's rearview mirror. Simply use the Dashcam Power Adapter to convert from the auto-dimming rearview mirror plug and connect it securely. your dash cam or device supports 5V input and draws less than 2A.Using devices exceeding these limits may cause overheating or malfunction. Powers devices only when the vehicle is on - not suitable for parking monitoring. Power supply automatically starts/stops with your car ignition. 1.[Compatibility notes]Confirm that your vehicle has an autodimming mirror, as this is necessary for our products.Refer to the compatibility chart below to see if your vehicle is included. Keep in mind, this chart serves as a guideline, and cars not listed may still be compatible.If your vehicle is not listed, inspect the mirror connector where the original wiring plugs in. Compare the number and arrangement of pins to the product images to determine if they match. 2. Rearview Mirror Connection: The adapter connects to a 7-pin port on your vehicle's rearview mirror. Simply use the Dashcam Power Adapter to convert from the auto-dimming rearview mirror plug and connect it securely. 3. Power Requirements: your dash cam or device supports 5V input and draws less than 2A.Using devices exceeding these limits may cause overheating or malfunction. 4. Usage Notes: Powers devices only when the vehicle is on - not suitable for parking monitoring. Power supply automatically starts/stops with your car ignition. Always check your dash cam's connector type and power requirements before purchase. If you have any questions about compatibility or installation, contact Support for guidance. Color: As Shown Material: Plastic Package Contents: 1* DashCam Power Adapter 3* Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.