... driver, constant driver, high performance, overload, short circult and over heat protection. * Beam angle: 45° * Emitting color ... 80%No UV or IR radiationEnvironmental, healthLow Power ConsumptionHigh lighting effectLong life, about 40000hoursabout 14years ... current circuitNo flicker, Protect your eyesWith Constant power driverAvoid unstable voltagewell appearance designExquisite and Elegant decoration ...