VHFO LP 20 model is a system of one master console and accessories that include twenty transducers. Looping is permitted in the system. Maser Ultrasonic Rodent Repeller – VHFO LP 20 Model are electronic transmitters of high frequency sound waves (well above the 20 KHz frequencymore...
Maser Ultrasonic Rodent Repeller – VHFO Model are electronic transmitters of high frequency sound waves (well above the 20 KHz frequency which is the upper limit of human ear.) they emit intensive sound at high decibel levels (sound pressure) that is audible and painful to Rodemore...