`- Equipped with a precision reflector that conforms to strict EU standards\n- 3 modes: zZz pop, cornea blitz and rock steady modes (30 hours runtime flashing/15 steady)\n- Stayputnik seatpost mount attaches without tools and has vertical adjustment setting\n- Rack/seatpost/seatstay mounts or backpack clip usage\n- (2) AAA batteries included