TIR 3 Watt 6 LED Emergency Vehicle Grill Warning Light Head Gen4 LED surface mount lighthead - Weather and vibration resistant - Self-contained 22 patterns Alternating or simultaneous flashing - 4 wires for simple set-up - 1 pos, 1 Neg, 1 sync and 1 pattern -Voltage: 12-24 VDC - 6 3watt LED elements Average current draw: 500mA@12.8 VDC - Max current draw: 700mA@12.8 VDC Size 5.5" L x 1.1" H x 0.8" W Generation 4 LED surface mount lighthead - Weather and vibration resistant - Self-contained 22 patterns Alternating or simultaneous flashing - 4 wires for simple set-up - 1 pos, 1 Neg, 1 sync and 1 pattern -Voltage: 12-24 VDC - 6 3watt LED elements Average current draw: 500mA@12.8 VDC - Max current draw: 700mA@12.8 VDC Size 5.5&#034; L x 1.1&#034; H x 0.8&#034; W