Mychron 5-2T Laptimer

The AIM MyChron 5S 2T is the most user-friendly lap timer in the market because of its built-in 25Hz GPS, rechargeable battery, clear display, clear menu, WIFI, backlight which is automatically controlled by the built-in light sensor.

In its basic version, the AIM MyChron 5S can measure the following:
-RPM
-Lap time (via GPS)
-GPS speed
-Acceleration (via GPS)