Dispenser: Automatic 24-hour protection. Emits a micro puff every 7.5 minutes. Refill lasts 30 days. Area coverage 170 cu meters. 9-volt battery lasts one year. Patented screw-on system. Konk 409D: Flying insect killer with 0.975% Pyrethrin for all flying insect problems. Metered, pressurized spray for the control of flies, gnats, mosquitoes and small flying moths. Air Freshener: Contains odor eliminating ingredients. Choose from several fragrances. Ideal for industrial buildings, hotels, offices, waiting rooms, bathrooms, lobbies, restaurants, homes, cottages, or wherever odor problems exist.