Viano marten rodent rat mouse repellent, 4000mAh Li-ion battery, Long GoldViano Long strip mouse marten repellent The Viano Long repellent is an advanced device designed from the ground up to effectively repel martens, weasels, rats and mice. It is suitable for outdoor and indoor use. It does not require mains power and works on a single charge for up to 5 months. Thanks to the considerable length of the device, it was possible to build in as many as four piezoelectric speakers, three powerful strobe panels and a high