By Chief Robot. Filed in Household, Robot News  |  Tags: lawn, mower, robot Lawnbott is a robotic mower that needs no perimeter wire.  The robotic mower users moisture sensors and bumper sensors to detect where it is.It was introduced to the US and Canada last year and was expected to be introduced to Europe this year with a smaller version.The US version weighs 18 lbs and has an 8 1/2 inch cutting blade.  Using a lithium ion battery it will run for about 4 hours on a single charge.  It cur
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