TAMO HL500 is a lightweight and powerful headlamp offering 500-lumen output. USB-C charging allows fast and convenient charging anywhere. Five modes: high, medium, low, flashing, and SOS signal for versatile use. Adjustable zoom for precise beam control. Durable design rated IP44, suitable for outdoor use. Includes headband and rechargeable 3.7V 2200mAh 18650 Li-ion battery. Dimensions: 25mm x 86mm, weight: 73g.