LED quantity: 78 LEDs Socket type: MR16 Optional colors: red, yellow, blue, green, white, and warm white Luminous flux: 260lm above Power: 4.5W Single LED gives out 4 to 4.5 lumen under 20mA Single LED diameter: 3 or 5mm Luminous decay: under 3% after 1,000 hours Color temperature: 3,500 to 9,500K Packing: 50pcs/ctn Net weight: 3.8kg Gross weight: 4.4kg Inner carton: 6.5 x 6.5 x 8cm No UV or IR radiation Low heat emission Different led quantity, voltage, and color changing mode are available Waterproof and dustproof with strengthen glass cover Widely used for buildings, bridges, parks, city squares, markets, and entertainment venues