Being small and easily installed as a permanent fixture, this fluorescent lamp is great for illuminating the cabin area of a boat, campervan, or in any 12 Volt application. It uses dual 10 Watt tubes. It is designed to be surface mounted and has bare wires for power input. Size: 426(L) x 109(W) x 27(H)mm -Strong ABS plastic case -Requires 12VDC, current draw is 850mA. -Replacement tube use ST-3007.