Nitecore NU21 USB-C Rechargeable Headlamp Nitecore UL headlight Ultra Light Black New Unused, operation confirmed. Will be compactly packaged and shipped without the box. Brand: Nitecore Product Code: NU21 LED Type: White light, Red light Built-in Battery: 500mAh Lithium-ion battery Luminous: 360 Lumens Runtime: 37 Hours Operating Modes: White light / Red light Impact Resistance: 1m Waterproof: IP66 Dimensions: 60.1mm * 33mm * 25.5mm Weight: 44 g / 1.55 oz Features: 1. Dual-beam USB-C rechargeable outdoor headlamp. 2. Specially designed for outdoor activities. 3. Maximum output of 360 lumens. 4. Utilizes a unibody optical lens system with various facets for uniform and soft light reflection. 5. Built-in 500mAh lithium-ion battery. 6. High-efficiency constant current circuit provides stable output with a runtime of up to 37 hours. 7. Designed with two buttons with different shapes and touches for easy one-handed operation. 8. 4 brightness levels, 2 light sources, and 3 special modes are available. 9. Built-in intelligent lithium-ion battery charging circuit with USB-C charging port. 10. Design with 4 power indicators to show the battery level. 11. Made of durable PC material. Package Contents: 1 x Nitecore NU21 Headlamp 1 x Headband 1 x USB-C Charging Cable 1 x User Manual Light Type: Headlamp Type: LED Light Brightness (Lumens): 300-499lm Features: Rechargeable