CatEye AMPP400/ViZ150 Headlight/Taillight Set - Black. The AMPP400 comes with up to 400 lumens maximum side visibility securely held in place with an adjustable FlexTight bracket. Four light modes (High / Low / Daytime HyperConstant / Flashing) provide 1.5 to 50hr run time. Paired with a ViZ150 taillight with 4 modes including a 150lm Daytime Hyperflash function for daytime visibility. Headlight 2-60hrs of runtime across 4 modes