Nitecore NU05 V2 Rechargeable Light Features: LED: Four High-Performance LEDs Dual white and red light sources Built-in rechargeable Li-ion battery with max runtime up to 47 hours Built-in intelligent Li-ion charging circuit with a USB-C charging port One-handed operable single switch design Available with 4 special modes Built-in power indicator to indicate the remaining battery power Constructed from durable and sturdy PC material Ultralight and compact design 1.0 meter impact resistance Battery Supported: Built-in 3.7V – 120mAh Li-ion Battery IP Rating: IP-66 Water-resistant Impact Resistance: 1.0m Dimensions: Height 29.75mm, Width 29.5mm, Length 16.42mm Weight: 11.1g Package Includes: 1 x Nitecore NU05 V2 Rechargeable Light 1 x Headband 1 x USB-C Charging Cable 1 x Bike Mount for NU05 V2 1 x User Manual 1 x Warranty Card Warranty: 2 Year Warranty on the light from date of purchase against manufacturing defect. Accessories (such as pocket clip, lanyards, holsters, etc), normal wear and tear, drop & water damages is not covered, nor is damage resulting from abuse, neglect, battery leakage or altering this product from its original state.