high light efficiency led track spotlight Color Temperature:2700K-6000K Power:COB LED 10W Luminous Efficiency: ... ,000hInput Voltage 85V-240VLight Source: COB LED (Epistar)Power: 20W,15W,10W,5WMaterial: Pure AluminumCE/EMC certification of driverSize: Φ150mmxH105mm, cutout ...