Mechanical Headlight Beam Tester - MOT Approved Features rotating column with adjustable mirror visor for accurate alignment to vehicle Luxmeter with graduated analogue scale for accurate light intensity measurement Easily adjustable vertical sliding mechanism by self lubricating sliders Features built in MOT beam checking panel Suitable for all headlight types including Xenon 3.7 metre rail kit / column height: 1.66mBase mounted on double rail for ease of use (self install only)Includes a kit to make 2 x 3.75 metre rails (4 x 1.50m + 2 x 0.75m)