truck and caravan snooper satnav s2000 ?

Satnav for the trucker or caravaner. Just put the dimensions of your vehicle into the devise and it takes you to your destination avoiding low bridges, width restrictions , weight restrictions and even hazard restrictions. This satnav cost around 200 new. It will need a power cable and a windscreen holder,which you can buy from Ebay. Can be seen working before you buy.