1.The innovative mobile protection against martens. Battery-operated, mobile and highly effective. You wonâ??t have to get upset by unwanted visits by martens on your premises. Marten-Free Mobile keeps the bad-tempered pests away from your car, house, garage, barn, loft or arbour. Immediately ready for use, no power connection and no assembly necessary. The integrated 60-second interval switching prevents the martens from getting used to the sound. 2.Without the need for bothersome cabling, this new device can now be immediately used in all imaginable places. Place. Switch on. Marten-free. It can be attached in a vehicle with the supplied cable ties or with screws. Depending on the battery, permanent operation of at least 6 months. Specification Material: ABS Plastic Battery-operated: 4 x "C" battery (baby cells, not included) Product Size: 13.5*7.5*3 cm Power Consumption: 2mA, in standby 20µA Frequency: 12 kHz +/- 10%, approx. 78 dB Effective Range: approx. 40 square meters (in closed rooms) Display: LED indication (periodic) Output frequency: periodic (60 seconds on and 60 seconds off) Fasteners: 4 cable ties (210mm) Operation Mode New electronics means minimal power consumption. The device emits high-frequency sounds lasting 5 seconds at 30-seconds intervals. These sounds that are hardly perceptible to the human ear keep the martens away from the vehicle and rooms. It protect cables, wires and other rubber parts from marten bites. Please be aware the appliance will possibly start in pause mode and will then switch into power mode. There is no technical fault. Notice 1. If you want to use the marten-free mobile in your car, please note that it must be dismantled prior to the car being washed. 2. If a vehicle or rooms have already been visited by martens, the animals have most probably left their territorial markings. These odours must be removed prior to the installation of the marten-free device(in a vehicle preferably by driving through a car wash).