[AMPP900] Discover maximum durability and exceptional side visibility with AMPP900. Crafted from robust aluminum, AMPP900 is designed to illuminate your two-wheeled adventures for years to come. Its innovative OptiCube(TM) lens technology amplifies your ride with a wide, 900 lumen beam that will not disappoint. Never lose sight of your battery's life with the convenient 3-color indicator. - High power rechargeable headlight (900 lm) - Powerful wide beam with OptiCube(TM) lens technology - Robust aluminum body - Excellent side visibility - Large capacity lithium-ion rechargeable battery - 3-color battery indicator (Blue: Above 50% Orange: 50-30% Red: Less than 30%) - USB-C rechargeable (USB-C cable not included) - Mode memory function - Five light modes (High / Middle / Low / Daytime HyperConstant / Flashing) - Turns on High mode with double-click of power button - Sturdy FlexTight(TM) bracket - Helmet mount and center fork bracket (optional) [ViZ300] Pumping out an attention-grabbing 300 lumens with OptiCube(TM) lens technology, the versatile ViZ300 stands out with the power of Daytime Hyperflash(TM) mode and the friendliness of Group Ride mode. - 3 LEDs (300 lm) - Highly visible during daytime - 300 degree visibility - Long rear beam projection - OptiCube(TM) lens technology - Lithium-ion rechargeable battery - USB-C rechargeable (USB-C cable not included) - Low battery indicator - Four light modes (Constant / Flashing / Group Ride / Daytime HyperFlash) - Mode memory function - Battery Auto Save (The mode automatically changes to flashing when the battery power gets low.) - New seat post bracket SP-15 which fits contemporary (kammtail) aero seatpost Snap System(TM) Dimension [AMPP900] 32 x 102 x 33 mm [ViZ300] 75.5 x 25 x 34 mm Weight [AMPP900] 142g [ViZ300] 47g Light source [AMPP900] White LED x1 [ViZ300] Red LED x3 Run time [AMPP900] - High (900 lumens):2hrs - Middle (400 lumens):3hrs - Low (200 lumens):5hrs - Daytime HyperConstant (900/200 lumens):4hrs - Flashing (200 lumens):35hrs [ViZ300] - Constant (30 lumens):5hrs - Flashing (30 lumens):45hrs - Group Ride (15 lumens):10hrs - Daytime HyperFlash (300 lumens):10hrs Battery [AMPP900] Li-ion rechargeable battery (3.7V-3000mAh) [ViZ300] Li-ion rechargeable battery (3.7V-800mAh) Recharge time [AMPP900] approx 4hrs (1A) - 8hrs (0.5A) [ViZ300] approx 3hrs (0.5A) Mount size [AMPP900] f22-35mm [ViZ300] f21.5-32mm. Fits up to 130mm outer circumference. (SP-15) Water resistant [AMPP900] IPX4 [ViZ300] IPX4 Other [AMPP900] Three-color battery indicator, Lighting mode memory function, Helmet mount / Center fork bracket (optional) [ViZ300] Battery auto save, Low battery indicator, Light mode memory