Our company has more than 25 years experience in developing JOY WINNER JWP-SERIES SUPER ULTRASONIC REPELLERS, which are the ONLY professional ultrasonic pest repellers in the world with the special ?Multiplex modulated sweeping ultrasonic sounds? technique. It combined our two unique technologies: ?Automatic Frequency Change? and ?Adjustable Sweeping Speed?. They have been proved to be succeeded in prevent pests or animals from getting used to a single-frequency sound by changing frequency and speed over time. With these special and advanced technologies, we strongly believe and guarantee to all of our customers that: JWP-SERIES SUPER ULTRASONIC PEST REPELLERS are high performance systems. They can handle long-term examination and repelling unwanted pests and animals in an effective and eco-friendly way, without the need of toxic chemicals or dangerous reagent to remove them.
