Bicycle headlight reaches a new level of durability and weatherproofing not typically found on ordinary headlights. Features: Housed in a robust cast aluminum housing ideally suited for thermal management, the TRON 800 boasts a full palate of features. An efficient 10W LED system produces an incredible 800 lumens of clear, white illumination. The headlight offers the user 5 modes of operation ranging from constant illumination to highly visible flashing modes for added visibility. A high precision optical lens ensure that the illumination projection from this unit is crisp and consistent. Other features: 400 hours of blinking. Indicator of Low battery and battery capacity. The mode memory function remembers the last light mode. IPX4 standard. Wide angle of light. Aluminum alloy body with heat dissipation technology.