The COAST SX300R is not just a simple flashlight. The additional COB (chip-on-board) LEDs in the flashlight handle serves as a surface or work light. The red COB LED is for night vision or it can be used as a warning light in the flashing mode. By sliding the fashlight handle apart, the COB Light is exposed. The SX300R shines max. 850 lumens with 3 different light levels. The flashlight can be operated at the same time as the COB light. The flashlight is powered by the supplied Li-Poly battery or alternatively with 4 x AAA alkaline batteries. The battery can also be charged outside of the flashlight with it's micro USB connection. With Coast's commitment to quality, the SX300R Flashlight is water resistant and its LED is virtually unbreakable. The SX300R Flashlight is backed by Coast's lifetime warranty against defects in materials and workmanship. Tested and rated to ANSI/FL1 standards.