The LawnMaster cordless robotic mower is perfect for medium-sized lawns. Its adjustable cutting height of 20 to 60 mm and three pivoting blades will get your grass cut to perfection. Its all-terrain tread wheels and 35% slope angle mean it handles uneven ground and tricky slopes with ease. And with an HD camera and sensors, it keeps mowing smoothly even when toys, pets or garden tools are in the way.Good to know- Quick charge your mower just 60 minutes, so you're back to tidying up the garden with barely any wait- Whether its toddlers tugging or teens fiddling, the safety key and lift sensors keep things safe- Use the spiral spot cut function to clean up any missed patches of grass- There's an extra battery included in the box, so you can charge one while the other is in use