Every Tunit is designed to be compact and lightweight, the smallest being only 10cm across, the largest being 13.5cm. In most instances the Tunit comes complete with original manufacturers plugs and connections. An original quality harness to fit in-line is also provided. Most Tunits are fitted in 10-20 minutes and all are designed to be easily installed by people of average mechanical capability. If you prefer, we fit the Tunit for you. Fitting is usually carried out in less than 20 minutes . If you wish to remove the Tunit for either fitting on another vehicle or for any other reason it is just as easy.