Remington High-performance 4AA-size LEDHeadlight Revolutionary Technology: EXTREME TRACK? Mode. Blood glows bright vs. night vision modes where blood appears dark. Cree P4 High Performance LED. Rotating Diffuser Lens provides flood lighting. Night Vision Mode. Red rear flashing light for emergencies. Twin Push Switch Left: High/Low/Off Right: Red/Red & Blue/Red Pivoting Head . Comfortable Head strap. Water & Impact Resistant . Runtime: 25 Hrs (Low) 4 Hrs (High) . Runs on 4AA Alkaline Batteries (Included).