Hybrid headlamp with 500 lumens brightness, equipped with a 3000mAh battery for versatile use. Includes dedicated rechargeable battery Brightness: 3-mode switching: Max 500lm, 250lm, 50lm Power source: Hybrid (Lithium-ion rechargeable battery LE-ZP3730 or 4 x AA batteries) Runtime: 8h (at maximum brightness) Affordable high-power headlamp External power box that can be easily opened and closed even with gloves on Turns on in low mode, which is gentle on the eyes, and then cycles through modes - Brand: TAJIMA - Model: LE-E501D-SP - Brightness: 500 lumens - Battery capacity: 3000mAh - Features: Hybrid type (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