Hunters Specialties Blade Driver projects wafer-blade scents throughout your hunting area and beyond to extended areas to cover your scent and lure in prey. Driver spins wafer blade at high rpm to efficiently distribute cover scent. Included lanyard allows you to hang unit in blind or from a nearby tree limb. Includes one Fresh Earth Wafer Blade. Runs on two AA batteries (not included). Additional wafer blades and scents sold separately. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Scent-Control Devices.