12 volt with screw in type terminal, black gloss finish. Overall height 150mm, body height 105mm, diameter 54mm, primary coil resistance 3.0 ohms and secondary coil resistance 8.9 k/ohms. Mounting bracket and terminal adaptors to allow the use of push on Lucar type terminals. Supplied with nut and split washer. For additional coil nut use part number 408120