The Replay XD1080 or Replay XD720 Hardwire Adapter is perfect for supplying constant power to your camera for endurance events and activities, It comes with a 4 meter long cable with an attached car adapter, The adapter also includes a 3, 5mm mini jack to plug in an external audio source, With a 32GB microSDHC card and the Hardwire adapter you can capture up to 15 hours of continuous video, Note: The Car Adapter can be cut off to expose the red wire postive 12-24V and white wire ground, this can be hardwired to a 12-24V DC power source, SKU: RLYX040