SPECIFICATIONS of the Nathan Zephyr Fire 300 Hand Torch LED: 2 LEDs - Front: Cree White LED - 308 lumens, Back: Red LED - 8 Lumens Battery: Li-Ion Rechargeable via Micro B USB port Burn Time: Hi - 3 hours, Low - 6 hours, Low/Strobe - 12 hours Water Resistance: IPX4 - Weather resistant