Put it where it is needed, switch it on and be free of all marten visits. The Gardigo Marten Repellent, Mobile keep away the pesky biters from the car, house, garage, barn and garden shed. The great advantage of the product is that there is no need to lay out cables for a power connection. The repellent can immediately be put into action in all locations. Just place it where it is needed and switch it on. An integrated circuit will switch the emitted ultrasonic sound every 60 seconds, effectively preventing the marten getting used to the irritation.