Check the listing for details. MINIDVR 3-DC POWER SUPPLY TRANSFORMER HDVR POWER PLUG. Condition: New. Listed at 39.99 USD. B ragecams Store HDVR CAMERA NOT INCLUDED! THIS POWER KIT WILL ALLOW YOU TO USE THIS RECORDER 24HRS A DAY WHILE PLUGGED INTO THE WALL OUTLET USING 12V DC.NOTE: This is the only way to get the usb plug not to go in slave mode, which means you cannot operate the record or playback function in slave mode. Designed BY RAGECAMS So you can use this model while plugged into a wall outlet, & motion record feature while plugged into ac power.HDVR SLAVE MODE SOLUTION FOR RECORDING!!! NO OTHER POWER SUPPLY WILL WORK, TRUST US ON THIS! Includes 12v dc transformer and special socket to insert your car lighter plug into that came with the HDVR.Car lighter plug not included! Micro USB power tip.Removable car lighter socketYour car lighter is fuse protected. Below is the DVR that will work with our power supply.DVR not included. THANKS FOR LOOKING!