TWENTY ZAP-1 1500 Volt Electronic Bug Zappers. Kills House Flies, May Flies, Deer Flies, Horse Flies, Mosquitoes, Yellow Jackets, Hornets. Wasps, Spiders, Cockroaches, Centipedes, and Moths. Suggested Retail Price $12.99 EACH. $4.99 EACH! - total shipping for order is $ FREE TWENTY ZAP-1