Eight super bright white, shock resistant, virtually unbreakable wide angle LEDís are the foundation of the Corona, allowing the user to switch between 8, 5, 3 or 1 LED. An innovative circuit system allows the user to fine-tune and adjust to the desired brightness level (or flashing) on each of the 4 LED output modes, while offering maximum constant light output for the life of the batteries. Runs on 3 AA batteries. Water Resistant. Burn time: 30-70 hrs depending on mode. Weight: 8 oz. with batteries. Includes handlebar and helmet attachments.