Diamond Group By Valterra LED Exterior Light - 6" 10 Diode Round Red 6in. It is 6 inches in diameter has 10 diodes and operates from 8-16 volts. The diodes have the following functions: stop turn and taillight. Included is a grommet mount and a standard plug. Features of Diamond Group By Valterra LED Exterior Light - 6" 10 Diode Round Weatherproof LED exterior light Dimensions: 6-1/2" length x 2-1/4" width x 3/4" depth Operates from 18 to 16 volts Functions as a stop turn and taillight Meets OEM standards Package Contents: Diamond Group By Valterra LED Exterior Light - 6" 10 Diode Round Diamond Group DG52434: By Valterra LED Exterior Light - 6" 10 Diode Round Red 6in