* Description Unique fin aluminium heatsink greatly reduce product weight and guarantee the safety usage, as well as to avoid the material wastage comparing with conventional die-cast or extrusion heatsinks. By increasing the number of fins to enlarge the area of heat dissipation and air flow, this new heatsink significantly increase the efficiency of  thermal conduction with less material usage and more saving on energy. It is the best solution of LED flood lights * Specifications Electrical / Optical Characteristics (Ta=25℃±3℃) Tech Date Model US-FLB-XW50W LED Qty 1pc LED Type Bridgelux LED Power 50W LED Color Warm white, Pure white, Cool white Input Voltage AC85~265V Frequency Range 50Hz – 60Hz Power Factor >98 Power Efficiency >85% Luminous Efficiency 70~110LM/W Color Temperature WW 2700-3500K PW 4000-5500K CW 6000-7000K CRI WW Ra>70 PW Ra>75 CW Ra>75 Lamp Efficiency >85% Lumens Output WW 4200lm PW 4400lm CW 4600lm Beam Angle 120° Working Temperature -40℃ ～ +55℃ Storage Temperature -25℃ ～ +65℃(25℃best) Life span >30000hrs Certification CE, RoHS, FCC IP Grade IP65 Housing Color Black Net Weight 2.0kgs Dimension 253 x 194 x 95mm package 67*36*29cm (4pcs/box) G.W.:11kgs * Packing& Shipping Packing Usually 2 pcs/carton or customized Lead Time Within 30 days after order confirmed Port Wuhu, Shanghai, Ningbo Shipping By sea; by air; by express Sample time About 7 days * Applications Widely used in billboards, highways, railway tunnels, bridges, squares, stadiums, trees, parking lots, building walls, hotel, meeting room, offices , hospital , schools , factories , commercial lighting , shopping malls, supermarkets, kitchen, display, backlight and so on. * How Does A Product Prove Its Quality? . Low-profile Damper Control: Attractive space-saving switch operates easily. . No Sharp Edges: Precision stamping and hand-finishing ensure that each register would have a smooth surface. . Superior Finish: Attention to details such as invisible welding spots and seams creates a strong and attractive finished product. . Engineered & Tested: Runner registers are engineered and tested to the industry's highest standards. . Hand Inspection: Each part is individually inspected for quality before it is packaged. . Protective Package: Quality shrink wrapping with cardboard backing prevents damage in shipping and on the shelves. . Dual Paint Coatings: Electro-coating and powder-coating provide excellent coverage, durability, superior corrosion-resistance, and flawless appearance. . Heavy Gauge Steel: The resilient quality and commercial grade strength of this material ensure outstanding product performance. . Smooth Operation: Stringent assembly and quality control procedures provide outstanding operation every time. * Company View Established in 2002, is a subsidiary company of Runner Group. Located in Ningbo, occupying 140,000 m2 of manufacture and warehouse space. We are a comprehensive manufacturer integrating marketing, research, design and production. We have been a leading manufacturer in China, with products covering North America, Europe, Middle East and South America. * Lean Manufacturing 365 Days of Continuous Operation We have integrated the whole production processes with our high-efficient manufacturing capability · Technology of eco-friendly surface treatment; · Automated injection molding; · Metal stamping and die casting. · We have implemented RPS management system · Fool-proofing production to realize the production mode without waste, detention or stock * Supply Chain · Researchers with Expertise Strategic Collaboration System ·10,000 m2 large distribution center ·VMI flexible inventory management * FAQ Q: Are you a factory or trading company? A: We are a professional Industrial and Trading Company, has more than 15 years production experiences. Q: Could you provide some samples? A: We will be happy to send you free existing samples if you need check the quality. Q: How does your factory do regarding quality control? A: "Quality is priority." We always attach great importance to quality controlling from the beginning to the end. Q: What is your MOQ? A: Any quantity is acceptable for your order. And the price is negotiable for large quantity. *Notices . Open the packaging, check the products carefully, and take them gently. . The wire must be passed 3C certification of three core cable, To reduce the risk of fire hazard.