LB1200 Spyder Robotic Cordless Electric Lawn MowerProduct ReviewP Click on the link for more reviewsPThe LawnBott LB1200 Spyder cuts up to 5 hours on single charge using a lithium-ion batteryPThis lightweight lawn mower only weighs 18-pounds and is designed for yards up to 5,500-square-feetPSet the mower to cut a couple times per week to keep your lawn looking great with no bagging or clippingPThe world's first robotic mower that doesn't require a perimeter wire to operatePEasy to use, just set it down, turn it on, and walk away ; measures 19.2 by 19.2 by 10.