Reddit reviews Nitecore NU30 400 Lumen Multi-Output LED Rechargeable Headlamp with LumenTac Adapter and USB Cable (Black)

POWERFUL PERFORMANCE - The Nitecore NU30 features multiple LED outputs to suit a variety of uses. Choose from a primary white LED capable of up to 400 lumens or switch to the auxiliary 35 lumen dual CRI LED for up close flood and accurate color rendering. There's even a 19 lumen red LED for protecting night vision!EASY TO OPERATE - Operating the NU30 is done entirely through the conveniently located dual-switch interface on the front of the headlamp. Here you can easily access all four brightness settings, 2 auxiliary LEDs and 2 special modes with the press of a button.ULTRA COMPACT - Wearer comfort is maximized by the streamlined minimalist design of the NU30. Weighing in at only 2.99 ounces including battery, you'll barely notice it's there.LONG BATTERY LIFE - The built-in 1800mAH rechargeable battery gives users more time to work and play with up to 330 hours of run time. A power indicator tells you when it's time to charge and the included charging cable works with any USB port.COMPLETE PACKAGE - Includes Nitecore NU30 headlamp (black), adjustable headband, Adapter and Nitecore USB charging cable