The Mosquito Repeller is a portable ultrasonic mosquito repellent that can be worn on the body or placed close by to help keep mosquitoes away. It has a range of up to 3 meters. The ultrasonic Mosquito Repeller emits very fast and powerful 5-20 KHz multi-frequency sound waves that stun and cause discomfort for most mosquitoes, thereby causing them to move and stay away. Intelligent Health Solutions offers the Mosquito Repeller online for your convenience. The benefits: Portable and compact. Simple, convenient and safe to use – just wear on clothing or place near the body. An ultrasonic mosquito repellent is odourless and chemical free – ideal for people with sensitive skin.