For mobile monitoring of the set minimum monitoring voltage on the fence. Real-time alarm notification in the app if the voltage drops below the minimum shield voltage set directly on the satellite (adjustable between 3kV, 5kV, 7kV). No GPS location function required as the Smart Satellite cannot be controlled while it is paired with the app on the user's smartphone. Benefits of the Kerbl Welt app: Free download. Use of all functions without follow-up costs and permanent free mobile data transfer from the Smart Satellite to the app. Unlimited number of smart devices and users can be linked. Verification of current fencing and power supply and a review of historical trends.