Hybrid headlamp with 500 lumens brightness, equipped with a 3000mAh battery for versatile use. Includes dedicated rechargeable battery Brightness: 3-level switching: Max 500lm, 250lm, 50lm Power source: Hybrid (Lithium-ion rechargeable battery LE-ZP3730 or 4 x AA batteries) Runtime: 8 hours (at maximum brightness) Affordable high-power headlamp External power box that can be easily opened and closed while wearing gloves Turns on in low mode, which is gentle on the eyes - Brand: TAJIMA - Model: LE-E501D-SP - Brightness: 500 lumens - Battery capacity: 3000mAh - Features: Hybrid (rechargeable/AA battery compatible) I am not knowledgeable, so please refrain from asking specialized questions (⁎ᴗ͈ˬᴗ͈⁎) TAJIMA LED Headlight LE-E501D-SP Hybrid Type Type...LED light For disasters Evacuation goods Work Type...LED light Features...Rechargeable