All Terrain Self Propelled Wheelchair It Is capable of handling almost any outdoor terrain like mud, gravel, cobbles and snow. It can also be used on grass and. This type of wheelchair can also be used indoors. This chair is self-propelled, permitting the user to set their own speed. It https://www.mymobilityscooters.uk/products/aidapt-lightweight-self-propelled-wheelchair-extra-wide