Material: ABS Size: 9.5*6cm / 3.74"*2.36" Battery: 400mAh Modes: 4 modes Lumens: 400-600 lumens 1. High Brightness with Multi-Level Adjustment: Equipped with 5 LED beads, providing 300-600 lumens high brightness output, supporting multiple lighting modes to meet the needs of different scenarios. 2. Built-in Rechargeable Battery: Integrated high-capacity lithium battery for long-lasting power; includes a charging cable for convenient charging anytime, anywhere, eliminating the hassle of battery replacement. 3. Lightweight and Comfortable to Wear: Ergonomic design, headband structure fits the head perfectly, lightweight, and comfortable for extended wear, suitable for outdoor work and sports. 4. IPX4 Rainproof: Made with high-quality materials, it has excellent rain and dust resistance, adapting to various harsh environments, and can be used safely both indoors and outdoors. 5. Wide Applicability: Suitable for camping, hiking, night running, maintenance work, cycling, and other occasions; an ideal choice for outdoor adventure and emergency lighting. Package Includes: 1pcs Head lamp with Charging cable