<p>A robot mower system comprises a mower, a remote control and an electric fence. The mower comprises : a main body provided with a platform(10),walking wheels(11) and a universal wheel ; driving components provided with walking motors and drive gears(1); bumping detectors provided with micro-switches(7) and a push plate(8); control devices provided with a circuit control panel(19); and virtual lines detectors for inducting the electromagnetic signals sent from the electric fence. This system can auto-trimming the lawn under wireless remote controlled, and predefine the area of lawn required trimming by the technology of electromagnetic field and make the mower work in this area and detour the obstacles automatically.</p>
