The newest great value mid range performance safety bike light set amp200 features compact rechargeable headlight 200 lm up to 30 hours runtime three light modes high low flashing features easy to attach and remove, new improved rubber band mount with 360° rotation. Excellent side visibility low battery indicator lithium ion usb rechargeable battery micro usb cable included mode memory function three light modes high low flashing weight only 62g designed in japan runtime high 200 lumens 1.5 hrs low 40 lumens 13 hrs flashing 200 lumens 30 hrs charging time from empty 2.5 hrs ampp200 instruction manual viz100 features 3 leds 100 lumens focused lens for maximum visibility highly visible during daytime superior 300 degree visibility long rear beam projection opticube™ lens technology lithium ion rechargeable battery usb rechargeable micro usb cable included low battery indicator 4 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 also fits contemporary kammtail aero seat post. Snap system™ bracket. Designed in japan. Runtime constant 15 lumens 5 hrs flashing 10 lumens 70 hrs group ride 35 lumens 11 hrs daytime hyperflash 100 lumens 15 hrs charging time from empty 3 hrs