cows controlled by the callers around their necks. irate cows controlled by the callers around their necks. cows controlled by the callers around their necks. we have a solar anel on around their necks. we have a solar panel on the around their necks. we have a solar panel on the back around their necks. we have a solar panel on the back here around their necks. we have a solar panel on the back here which - around their necks. we have a solar. panel on the back here which charges the battery. they are lightweight and flexible so cows can move around easily and there is a gps locator on the top so we can see exactly what the top so we can see exactly what the cows are at any one time and that links to a virtual fence which is wherever we wanted to be, really. the national trust can map out an area that they want raised on a mobile phone app. if the car reaches the invisible boundary it several music alerts and if it doesn t turn back, trying to cross the virtual fence, the car g
that is it from me, you are watching bbc news. cows, controlled by the colours around there next. cows, controlled by the colours around there next. we ve got a solar anel on around there next. we ve got a solar panel on the around there next. we ve got a solar panel on the back around there next. we ve got a solar panel on the back which around there next. we ve got a solar panel on the back which charges - around there next. we ve got a solar panel on the back which charges the | panel on the back which charges the battery. they are lightweight and flexible so that cows can move around. there is a gps locator on the top so we can see where they are at anyone time, i don t link to the virtual fence at anyone time, i don t link to the virtualfence are behind us, but where ever we want. the national trust can map where ever we want. the national trust can map out where ever we want. the national trust can map out an where ever we want. the national trust can map out an area