Installation kit included. Base station- robomow is charged at the base station and stays there between operations. Robomow independently departs from the base station, cuts the lawn and returns for charging until the next operation. Slopes- robomow can mow areas inside the working area with slopes of up to 36 %; rain sensor- allows the user to choose whether or not robomow will operate when sensing rain or high humidity. Multiple zones- robomow can handle lawns with several zones and mow each one individually. Child lock- this is a safety feature to help prevent children or others not familiar with the safe operation of robomow from operating it.