Specification: Size: 6.4*6.5*5.2cm Charging method: DC 4.2V/600mA Working hours: 17 hours Power: 3W Battery type: Lithium battery (18650) Battery capacity: 2500mAh Rated voltage: 3.7V Shell material: PC Waterproof: IP65 Light source: LED two-speed light source Light source type: low beam, high beam Feature: Safety: All in one case with PC plastic material, provides good explosion-proof protection, electrical short-circuit protection, automatic power-off on the socket, 100,000 hours LED life. Reliability: High strength case, optimized structure design and MCU control enhance product reliability. Portability: Head lamp design, compact size, lightweight, simple charging, easy to use. Efficiency: Over 15 hours working time, over 2800 lux at initial output, and over 2500 lux after 12 hours of continuous lighting, battery lifespan up to 600 charge cycles, includes 6pcs 2mm backup LEDs. Environmental: Li-ion battery is maintenance-free and environmentally friendly, uses 1W high-power LED for energy efficiency. Economy: Longer lifespan compared to lead-acid cap lamps, reduced maintenance needs improve cost efficiency. Water resistant: Suitable for use up to 2 meters depth. Note: Color may vary slightly from the actual product due to differences in monitor displays. Allow 1-3 cm measurement deviation. Packing Included: 1 x Mining Headlamp