... : 50-60Hz Working Humidity:10%-90% LED Qty.:6pcs high power LEDLife span:≥50,000Hrs Beam angle: 30°/45°/60 ... °/90°/120°Features:Constant current driving systemLight source: high power LED 1W/ 2W/ 3WExcellent heat dissipation performanceEasy for ... Down light, Bulb Lamp, Floodlight, Tunnel light, Street Light, Flexible/Rigid Strip, Tube, Ceiling light, Wall washer, High bay light, Panel light and ...