Compact, powerful, and versatile, the Energizer Vision Ultra HD Rechargeable Headlamp will go head-to-head against anything darkness can throw at you. This LED headlamp is packing up to 400 lumens of vibrant white light that lasts up to 4 hours on a full charge (in high mode). That's right, this is a rechargeable headlamp. Non-removable Lithium Polymer batteries power 6 modes, including red and green LED settings. Steady red and green LED modes let you preserve your night vision or see into tight spaces indoors-great for hiking, fishing, and digging through crowded closets. It's also smart to strap the headlight on for safety while jogging, cycling, or walking your dog at night. The smart dimming feature lets you adjust light intensity, and VisionGuard protects your vision by gradually increasing light intensity when you turn the headlamp on. See your world more clearly with the Energizer Vision Ultra HD Rechargeable Headlamp. Includes micro-USB cable for charging; full charge requires 4 hours.Compact, powerful, and versatile, the Energizer Vision Ultra HD Rechargeable Headlamp will go head-to-head against anything darkness can throw at you. This LED headlamp is packing up to 400 lumens of vibrant white light that lasts up to 4 hours on a full charge (in high mode). That's right, this is a rechargeable headlamp. Non-removable Lithium Polymer batteries power 6 modes, including red and green LED settings. Steady red and green LED modes let you preserve your night vision or see into tight spaces indoors-great for hiking, fishing, and digging through crowded closets. It's also smart to strap the headlight on for safety while jogging, cycling, or walking your dog at night. The smart dimming feature lets you adjust light intensity, and VisionGuard protects your vision by gradually increasing light intensity when you turn the headlamp on. See your world more clearly with the Energizer Vision Ultra HD Rechargeable Headlamp. Includes micro-USB cable for charging; full charge requires 4 hours.