Summer is an alluring season. You can wear your cute or sexy skirt or hot pants outdoors. But there is a trouble especially in summer night to solve. Lots of annoying mosquitoes fly around you. They eager to suck your blood immediately that you pay no attention. Now, Smart electronic ultrasonic pest repeller can solve this troublesome problem. This is a smart electronic ultrasonic Insect Repellent device that adopts modem micro electronic technique and multiple high technology method. With mini and exquisite design, the Insect Repellent is made of microcomputer chip and integrated circuit. Pest repeller has a massive about 120 square meter coverage. Sounds are above the normal hearing range of dogs, cats, snakes, fish birds and humans. No affect on operation of electronic appliances like computers and TV sets. This electronic ultrasonic pest repeller is a must for your family.