Not too long ago, a 400-lumen headlight for this price would have been a pipe dream, but now the Dayblazer 400 is a dream come true! Featuring eye-popping BLITZ Daytime Running Mode to grab the attention of cars, IP-67 submersibility and ample side visibility, the Dayblazer 400 puts light where riders need it most. Micro-USB Rechargeable: Charges via any standard USB port (charging cable included). Recharging Time: 3-hour?. Batteries: 1 Lithium Polymer included (3.3 Lithium Battery Energy Content Watt Hours). Weight: 59 grams. Lumen Output / Runtime: BLITZ 400, Low 200, Pulse 200, Strobe 200 / BLITZ 1 hr, Low 1.5 hrs, Pulse 6 hrs, Strobe 10 hrs. Imported.