About this item [Dual XPE lamps] I have an XPE bead on each side to provide wider and brighter illumination. Two independent batteries power the two XPE beads and COB strips on each side, increasing the maximum operating time to 12 hours. 5 lighting modes: Continuously press the button to switch between high and low intensity COB light strips and high and low intensity XPE beams. Long press the button to activate the simultaneous flashing mode of the COB light strip and the two XPE beams, press again to deactivate it. [Motion sensor] Next to the control button is a button to activate the motion sensor. Once activated, a simple gesture near the headlight is enough to quickly turn it on or off without having to look for a switch in the dark. 【Circumference adjustment】 There is an adjustable elastic band on the back of the headlamp, suitable for different head sizes. You can also comfortably attach it to a safety helmet or bicycle helmet, whether you are working in a mine with a safety