Kohstar S520 4th generation robot lawn mower with Range Funtion,Auto Recharged,Remote Controller,Waterproof

Specification: 1).Application:Home Lawn / park mowing 2):Average working time:2-3hours 3):Cutting height:2.5-6cm 4):Forward speed:35m/min 5):Battery:lithium battery 6):Charge time:¡Ü3 hours Function: 1. Tilt sensor 2. Lift sensor 3. Bump sensor...