These lights add a warm ambiance to your outdoor living area but they also keep away those pesky skeeters. At 36’ in length, Tiki BiteFighter LED String Lights feature 12 warm LED lights but in addition, the string includes 3 odorless repellent diffusers to keep mosquitoes, no-see-ums & other flying bugs from ruining your evening outside. One string of lights can provide up to 330 square-feet of insect protection & the diffusers are replaceable.