500 Lumen LED Rechargeable Tube Light Features: . 500 constant lumen COB LED delivers a wider and brighter lighting area . Memory function records setting after 5 seconds, and that setting is recalled the next time device is activated . Low and high settings for varied brightness and runtimes . Removable lithium-ion battery pack can be used as USB power source for charging electronic devices . 80 lumen LED top light provides an additional spotlight function . Rubberized, impact- ergonomic handle provides a non-slip grip . Automatic shut-off and overcharge protection for optimal battery life . Battery indicator shows battery level and charging progress . (2) Removable swivel hooks with magnets allow hands-free use . Includes USB-C charging cord Specifications: . Length: 14.75 . Top SMD LED Lumens: 80 . Top SMD LED Runtime: 10 hours . Main COB LED Lumens: 250 low/500 high . Main COB LED Runtimes: 6 hours low/3 hours high . ATD-80391 - 3.65V, 4000mAh lithium-ion rechargeable battery pack 80360A