Specification: 1 LED bulb power: 3w 2 Colour temperature: 6000k 3 the facular can adjust at the 250mm, ranging from 6mm to 65mm 4 the brightness at the 250mm: 9500lux 5 weight of the light head: 68g 6 with a rechargeable battery, can charge for 500 times 7 after full charged, it can last for: 10 hours 8 the life of the bulb: 20,000 hours 9 it is comfortable for wearing, more dapper, it can adjust the size 10 packing size: 26×16.5×15.5㎝ 11 weight: 0.65kg net weight: 0.40kg