Not too long ago a 550-lumen headlight for this price would have been a pipe dream, but now the Dayblazer 550 is a dream come true!AWESOME LIGHT. AWESOME PRICE. Featuring eye-popping Blitz Daytime Running Mode to grab the attention of cars, IP-67 submersibility and ample side visibility, the Dayblazer 550 puts light where riders need it most.