The X2 model, shown here, holds two cartridges, so it can fire two sets of darts without reloading. Taser markets several different cartridges with ranges from 15 feet to more than 25 feet.

Police forces could be left defenceless because the monopoly supplier of Tasers is driving prices ... the same X2 model Thames Valley had used for years increased by £1,200 per Taser in just ...

Hampshire and Isle of Wight Constabulary and Thames Valley Police will be rolling out the new Taser 7 over the next 12 months. They will replace the existing X2 models and have two cartridges ...