GM 120 Speedo
 

GM 120 complete in box with instructions, 2 sensor leads and programming lead.
In full working order the fan has bin replaced due to original failing.
http://imageshack.us/a/img853/4553/gm120.th.jpg
http://imageshack.us/a/img198/4596/sany2054p.th.jpg

£50 including postage (buyer pays paypal fees)