Usage Tips:Pretty size and shape to make you feel convenient to work with other fittings. 50W Wattage led chip bulb decorate your green and energy-saving life. Specialized led barretter driver power supply for 50W led chip. Widely used in Traffic lighting, Landscape lighting, advertising lighting, Indoor Lighting, Special lighting. Very low heat generating,saving energy,environmentally friendly. Specifications(LED Chip):Product Name: LED SMD Chip Wattage:50W Input Voltage:DC 31-36V Forward Current(IF):1500-1750mA Lumen:3500-4250lm Light Color: Pure White Wave Length (Color Temp):6000K-6300K Life span:50,000 hours Size:51.5 x 46mm/2 x 1.8 Inch(L*W) Application:For Led Floodlight /Spotlight DIY Specifications(LED Driver): Model type: 50W LED Driver Input voltage :AC85V-265V 50-60Hz 0.8A Output voltage: DC 24-36V 1500mA(+/-5%) Waterpoof Rating: IP67 Size:128x35x27mm(L*W*H)/5.04 x 1.38 x 1.06 inch Total Weight: 259g Applications:Widely used in Traffic lighting, Landscape lighting, advertising lighting, Indoor Lighting, Special lighting. Landscape scene / spot lighting,Architectural lighting,Display scene,Artwork lighting,general lighting. Amusement park scene,Aquarium lighting and so. colour:silver white Package Contents: 1 x Led LED SMD Chip 1 x Waterproof LED Drive Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.