DRM Speedometer - Introduction and user instructions

Introduction and instructional video of the DRM Speedometer, used to measure the speed of scale model trains and scale model cars. The device is simple to use and supports many small scales. More info and to buy, go to http://tramfabriek.co.uk/speedometer.html Supported scales: UK: O 1:43.5, OO 1:76, N 1: 148 Mainland Europe: O 1:45, H0 1:87, TT 1:120, N 1:160, Z 1:220 USA: O 1:48, H0 1:87, N 1:160, Z 1:220 JAPAN: HO 1:80, N 1:150