You no longer need to use the noxious sprays to get rid of those pesky rats, cockroaches, mosquitos, flies, bugs, fleas and ticks now.This photocatalyst Ultrasonic Mosquito Repeller provides you with an incredibly efficient, economical, eco-friendly and safe method of pest control. By using unique photocatalyst technology, the Ultrasonic Mosquito Repeller deters pests at a frequency that humans cannot hear. Great against Mice / Rats / Cockroaches / Flies / Bugs / Insects / Fleas with this Electronic Mosquito Repeller. No chemical, no vapor, no odor, no pulverizer with this Ultrasonic Repeller. This Ultrasonic Repeller is completely inoffensive to men and pets, no toxins, no poisons, no insecticides. This Ultrasonic Mosquito Repeller i s ideal for use in homes, yards, outdoors where the use of poison is prohibited or discouraged. Do not miss this photocatalyst Ultrasonic Mosquito Repeller!