The Ring RMS2 provides 2x 12V sockets, for powering products up to 8A. Easy to install - simply plug directly into the 12V socket. The 1m cable is coiled to stay tidy in the vehicle. Includes battery analyser that displays available vehicle battery power. 2 x 12V sockets suitable for powering products up to 8A Battery analyser to keep an eye on the charge of your car battery Width adjustment fitting collar 2 guide light rings, mounting arms and coiled cable