Viano rodent, marten, mouse repellent, ultrasonic generator, radar, two speakers, Duo GoldViano Duo Gold marten mouse rodent repellent The device is equipped with a powerful energy saving ultrasonic generator with an automatic frequency change module, two speakers with different frequency characteristics and a radar coupled with a strobe panel. The combination of properly selected and modulated ultrasound and powerful flashes with a strobe effect gives high efficiency in the fight against pests. Two piezoelectric speakers provide more