1.aluminum housing 2.100% waterproof, universal,high brightness 3.easy installation, suitable for trucks, mine trucks, ships . Power: 40W . Voltage: 9-40V . 4pcs* 10W Cree LED, 2800lm . Beam: Flood/pencil beam . Body: Aluminum alloy die cast housing . Stainless steel bracket . PMMA lens, stainless steel bracket