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.

The cost of continuing to equip officers with the same X2 model Thames Valley had used for years increased by £1,200 per Taser in just one year, while the newer T7 was £900 cheaper per plan.

"A small number of the previous X2 taser will remain in each district until transition is complete." The feedback from local iwi, health professionals and local councils, and the wider public was ...