CATEYE - ViZ450 USB Rechargeable Daytime Safety Light

450 LUMEN DAYTIME SAFETY LIGHT: 5 LEDs with OptiCube lens technology and 450 Lumen Daytime Hyperflash makes this the brightest CATEYE safety light to date. BE SEEN AT A DISTANCE: Long rear beam projection technology greatly increases the effective visibility range, giving motorists more time to react. FOUR MODES: Constant (40 lumens - 5 hrs), Flashing (40 lumens - 65 hrs), Group Ride (130 lumens - 10 hrs), Daytime Hyperflash (450 lumens - 14 hrs). USB RECHARGEABLE: 3.5 hour recharge time with included Micro USB cable. BATTERY AUTO SAVE: The mode automatically changes to flashing when the battery power gets low. SP-15 BRACKET: New SP-15 seatpost bracket fits contemporary aero seatposts. SNAP SYSTEM: Snap Square base design allows the light to be positioned vertically or horizontally.