4-step brightness: 2 kind adjustable, and there is also a flashing lighting to meet the needs of different scenario Warm and cold color temperature, 3-step quick: pre-set 3-step warm and cold color temperature, short press the color temperature button, quick switching for charging while using, with 2000mAh battery about 150minutes full Working hours: normal ( highly gear): about 80 minutes, bright: about 55 minutes Multiple light effects: mechanical zoomable designing, stretch, control the light effect