HEISE - Single Row Slimline LED Light Bar - 5-1/2" - HE-SL550. SPECS. Input Voltage: 10-30V DC. Wattage: 9W (3-3W OSRAM LEDs). Raw Lumens: 720. LUX @ 10M: 10. Color Temperature: 6000K. Beam Pattern: 90 Flood. CONSTRUCTION. Housing Material: Powder Coated Aluminum. Housing Color: Black. Membrane: Gore. Lens Material: PC. Mounting Bracket: Die-cast Aluminum. Mounting: Side and Bottom. Hole Dimensions:. Brackets turned inward - 5.25". Brackets turned outward - 7.25". Mounting Bolt Drill -.25". Height of Light Bar Itself: 2". Depth of Light Bar Itself: 2". Electronics: Integrated-Epoxy Encapsulated. Hardware: Stainless 316. OPERATION. Operating Temperature: -40C to +60C. Current Consumption:.4 amps @ 13.8 volts. IP Rating: IP67. Protections: Reverse Polarity