super bright, adjustable zoomable zoom in & out head light. Model of LED beads: CREE T6. Headlight design: high quality material with practical and durable. The headband can stretch adjust according to the size of your head. Conveniently put on or take off. The head it can adjust the illumination angle of 100 degrees. The red indicator light on the battery holder plays a good warning role in night walking or cycling! Applies the high efficient booster circuit to the internal wiring, can utilize the batteries to a maximum extent. Suitable for sport lovers to do some such as portable hunting, cycling, bicycle riding, hike, working, fishing, camping camp outdoor lighting etc.