Cateye Volt 400 USB Rechargeable Head Light - EL461RC - 400 Lumen  £31.99

See and be seen with this 400 Lumen Volt.
• Double click to High mode. Single click returns to the previous mode
• 5 Modes: Flashing / Hyper Constant / High / Middle / Low
• Runtime: 60hr 50Lm / 11hr 400Lm / 3hr 400Lm / 8hr 100Lm / 18hr 50Lm
• Helmet mount compatible
• Li-ion Polymer rechargeable battery
• Recharge time: 6 hours
• Cartridge Battery compatible with Volt 800, Volt 700, Volt 300, Volt 50
• Optional 2 way charging cradle available