See and be seen with this 400 lumen volt double click to high mode single click returns to the previous mode 5 modes flashing hyper constant high middle low runtime 60hr 50lm 11hr 400lm 3hr 400lm 8hr 100lm 18hr 50lm helmet mount compatible li ion polymer rechargeable battery recharge time 6 hours cartridge battery compatible with volt 800 volt 700 volt 300 volt 50 optional 2 way charging cradle available