FIVE LIGHT MODES: Choose between Warm white (low), Cool white (medium), Daylight white (high), red, and red flashing. USB-C RECHARGEABLE PLUS: Up to 15 hours of runtime on the built-in Zithion-X rechargeable battery or use 4xAA alkaline batteries (sold separately) for power backup. POWER BANK FUNCTIONALITY: Integrated rechargeable battery with USB-C in/out ports to charge devices on the go. EMERGENCY: Signal duress with solid or flashing bright-red light. Backed by COAST Lifetime Warranty: Take confidence in your product knowing it is backed by COAST’s total commitment to quality and Lifetime Warranty program.