The Sky-Watcher HEQ5 SynTrek and Pro GoTo mounts are practically identical to HEQ5 basic version. The difference is the color and the installed motors and electronics.
Equipped with stepper motors that can provide 800x sideral speed (3.4 degrees/sec) using the hand controller or a planetarium program running on the attached PC. The 1/64 microstepping provides much smoother tracking and smaller backlash. An autoguider port is also included (standard ST4). The correction speed can be adjusted between 0.5x and 800x.
GoTo controller:
This version features the latest SynScan GoTo hand controller. Its database contains more than 42900 object, including the complete Messier, NGC and IC catalgues, plus double and variable stars. The mount also provides a "guided tour" functionality to show all objects currently visible. The hand controller also helps to perform proper polar alignment. Voltage of the power source and the temperature can be also checked. For astrophotography the PEC helps in accurate tracking.
The hand controller firmware can be upgraded from the internet.
Requires 12V DC, that can be provided from a cigarette lighter or from a rechargeable battery.