can't tell ya what the box is, but if you have or have access to a radar gun...use a rubber band on the trigger and make a pass with the gun pointing in the direction you are going...on the ground or something. If it's like mine, it will LOCK onto the fastest speed with somewhere close to 1000 ft.
R/C Racing since 1985 ~ Santa Maria, CA (Central Coast)
2001-2012 - South-West Tour R/C Oval Series - R.I.P.
...will the SWT be revived? Time will tell, but we ARE returning to the VELODROME in 2016