TABLETOP MOSQUITO REPELLER provides hours of reliable protection! Send mosquitoes, gnats and other annoying bugs scattering with this all-natural, fan-propelled repellent system. Just place unit on table, insert repeller cartridge and turn on to create a 15 x 15 sq. ft. bug-free zone for up to 18 hours. Non-toxic formula is safe around children and pets and has a fresh scent. Perfect for patios, picnics, camping trips and more. Includes one tabletop unit (6" H), one repeller refill and 2 AA batteries.