Redlithium USB 400L Neck Light is 45% Brighter for longer and the most durable. This rechargeable neck light provides 400 lumens of True view High Definition Output and over 8 hours of run-time to keep you working all day. 2 mode options allow you to manage output and run time, plus a battery gauge in the power button will always inform you how much power you have left before a recharge is needed. The Redlithium USB 400L Neck Light has 130° of vertical light head rotation for easy positioning and an ergonomic, sweat resistant band for your comfort. The neck light has IP54 ingress protection against dust and water, chemical resistance to harsh chemicals found on site or in the shop, and a drop rating of 6ft.