T-Rex Black Series Caravan Trailer 12V 350W Electric Motorised Jockey Wheel makes it easy to manoeuvre your caravan, trailer, boat or horse float. The Striker Power Jockey Wheel boasts forward and reverse motion, as well as automatic brake function. It also has an oversized anti-slip wheel and the ability to be used on slight inclines, which makes it ideal for shifting your prized possessions into awkward positions. The Striker has a class-leading vehicle load of 3500kg and can also run off a 24Ah battery (not included) a standard car battery will do the trick.'. It comes complete with everything you need including a lock and keys. Package content : 1 x 350W Motorised Jockey Wheel, 1 x Mounting bracket, 1 x Battery Leads, 1 x Bolts, 1 x Keys and Lock.