17" Third brake light for 12 volt positive ground or negative ground vehicles. Uses approximately up to 360mA@13.8 Volts for the brake light and uses up to 44mA@13.8 Volts for taillight. The brake light is up to 5 Watts. The taillight is up to 1 Watt. Has two recessed mounting holes so the led third brake light can be surfaced mounted. Approximately 17" long, about 1.1" wide, .7" height. Has both tail light and brake light. The wires come out the back side about 6.57" from one of the sides. There are three wires that are 7.4" long, one wire is for ground "black", one wire for taillight "white" and a wire for the brake light "red". Comes with 9 super flux led's. The lens is D.O.T. approved. The back side is encapsulated in black epoxy. Comes with a red lens and red led's. The red led's emit 625nm red color and through the red lens looks real nice. CE and Rohs.