Flies, mosquitos, wasps and more are attracted to the trap by 9 LED lights, lured in with carbon dioxide, and finally vacuumed into the fan. No pesticides or chemicals. This discreet, powerful insect vortex covers up to 1/3 acre. 6 ½" Dia. x 8" H. Battery-operated (4 AA batteries, not included). To order the battery-operated Vortex Insect Trap see item number FM1022.