The rechargeable Energizer Vision Ultra HD headlamp, with its compact design, delivers top-notch performance. Featuring a USB charging function and Energizer Smart Dimming technology for convenient light intensity control, this headlamp offers innovative features. In addition to white LEDs, it includes green and red LEDs for night vision during outdoor activities such as hunting and fishing. The VisionGuard technology gradually increases the brightness to prevent a strong beam from hitting the user's eyes directly. Batteries are included.