Headband can also be used as a wristband. When the band is removed, the work light can be attached to objects via the integral clip. One button includes five different lighting options. First press is 100% white light, second dims to 40% white light, third is red warning light (1W COB LED) and fourth is red warning flash, which makes it ideal for cycling. Holding the button enables auto-sensor function to switch on/off just by waving hand in front. Include operating time: 2.5hr (High)/4hr (Low) and charging time: 1.5hr Supplied with micro USB charging cable.