wheel chair power stroll-to assist pushing a wheelchair,this is a twin wheel one for extra drive and stability,comes with all fittings ,charger .fits onto a normal manual wheelchair brackets fit on to frame then attach stroll,easy to put on and take off.speed controller fits on handles which as forward and reverse as well as adjustable speed.very good condition all works fine.collection only due to weight ,we live in cannock ws11.thankyou i have added a picture of how it looks under wheel chair .wheel chair not included in sale. genuine reason forsale.