One Japanesse Nichin super-bright LED front safety light Four bright red LED rear safety light Front & rear visibility at a super economical price Mounts with quick release seatpin & handlebar brackets (included) or to clothing Robust water resistant design perfect for those wet winter nights Three mode light operation flashing constant & chasefor the rear & two modes flashing & constant for the front Requires 4 x AAA batteries (included) Run times of up to 70 hours on constant & 160 hours on flashing