SecurityIng 1200Lm XM-L T6 LED Focus Zoomable LED Headlamp with Charger + 2X 18650 Battery Zoomable: With zoom function that allows the beam focus to be adjusted. The lamp head support to rotate 90 degrees freely. Applies efficient booster circuit to internal wiring, working voltage is wide. Wonderful headlamp suitable for outdoor sports, such as camping, traveling, hiking. It can be a intimate partner when you take a ride at night.