This headlamp is perfect for all outdoor adventures with its impressive brightness of up to 3000Lm. The lamp body is made of aluminum and has 3 adjustable headbands for optimal fit. With 4 different light modes and a waterproof IPX4 design, this lamp is both versatile and durable. It weighs only about 214 grams with batteries and has an adjustable lamp body for comfortable use. With a runtime of up to 3 hours at full brightness and a charging time of 6 hours, this headlamp is a reliable choice for all your adventures. The charging interface is of the Micro USB type with a 4-cell power display for easy use. The product booklet is in English for easy reference. [Powerful Light] A headlamp with very good light, up to 5000 lumens, which shines up to 200 meters! Easily choose between 4 different light modes (1 of which is flashing) and adjust the lamp body with the three T6 cree diodes to find the right angle and light intensity for the current situation. [Robust and Lightweight] The sturdy design protects the headlamp from the elements; the lamp has an IP65 certification. With this robust design, the lamp weighs about 300 grams with batteries. Without them, the lamp weighs 215 grams. [Power source] The package includes two rechargeable batteries (Li-ion 18650, 3.7V) and a 220 V charger that is CE approved. At full brightness, the batteries last for 1-3 hours.