Nite rider lightening bug ls120 stinger light set super economical high output head light easy on and off rubber mount ideal for daily urban commutes usb rechargeable perfect to protect your young ones while they ride super bright day time flash mode long run time 25hrs on full brightness lightning bug 120 usb lumen output 120 run time 230 2600hrs light levels 2 steady 1 flash battery li po 800mah x 1 charge time 500hrs weight 40g stinger usb lumen output 25 light levels 2