It moves back and fore like a person would. I like it. The 400 series like to try climb up trees and rock, because the bumper was to high. This one is nice low to the ground.
The problem with the weekly programming is you must supervise it even though, it can start and stop anytime day or night seven days a week.
RoboMower, RL 1000 is recommended by EastCoastUser
Spend your time gardening, vacationing or exercising or sleeping while your lawn is mowed automaticallyand precisely with the Robomower®. This simple to operate robotic lawn mowing system mows up to 1/2 acre on its own before returning to its docking station to recharge. Program the Robomower® to quietly operate day or night, rain or shine, all year long. Sophisticated safety features and no maintenance construction make the Robomower® the perfect equipment piece around any home.