I'm selling this because I haven't had a chance to use it much since I bought it. This is a USB rechargeable headlamp with 400Lm brightness, IPX4 waterproof, and three modes for versatile use. - Brand: LEAD WARRIOR - Model: G-series LC-HU5400-K - Brightness: 400Lm - Waterproof Rating: IPX4 - Charging Method: USB Rechargeable - Battery Type: 18650 Lithium-ion Battery - Modes: High, Low, Flashing - Continuous Usage Time: 5-13 hours Thank you for looking. Type: LED Light Brightness (Lumens): 300-499lm