This rechargeable high lumen headlamp, give you a clear and bright world. Max illumination distance is 150 meters, light your way in the darkness. You can switch quickly between 3 modes. Perfect for night time running, walking, cycling, hiking, repairing, night working or daily lighting use. You can choose the light mode between super bright, bright and flashing SOS bright. And red warning taillight behind headlamp is also a very useful function. 90°adjustable and zoom function, you can adjust the lighting angle or distance to match you different using need. It powered by 2 x 18650 rechargeable batteries, could last use up to 5-6 hours after a full charge. It is IPX4 water resistant, can prevents splashing water in any directions, can be used in the rain or snow weather. Lightweight and adjustable headband design is safe and stable, make you more comfortable in use.