The Greenworks Optimow series of robotic lawnmowers offer the ultimate in cordless convenience when it comes to keeping your grass maintained - once you've set them up, they'll go about keeping your lawn neatly trimmed so you can get on with other things during your free time. The Greenworks Optimow 15 is suitable for lawns of up to 1500 square metres (which equates to almost six tennis courts). SpecificationsBattery Voltage: 24vBattery Type: Integrated Lithium Ion (Replaceable)Mower Type: RoboticCutting Capacity: 1500 Square MetresCutting Width: 220mmCutting System: 3 Pivoting Razor BladesCutting Mode: Free MovementMax Slope: 35%Connection Type: GSMMin Passage: 600mmIP Classification: IPX5SIM Card: Pre-installedSIM Card Fee:20 a Year (First 2 Years free) Features & BenefitsFully automatic robotic lawn mowerSuitable for lawns of up to 1500 square metresMows slopes up to 35%Battery poweredReplaceable lithium ion batteryNo fuel o