ZTW ESC LCD Program Card for G2 Shark, Beatles, Mantis, Skyhawk, Seal and Dolphin Brushless ESC’s..
This can work as an individual device to set ESC parameters.
It can measure the voltage of the whole battery pack and each cell.
It can work like a remote control to adjust the speed of the ESC or servo.
It can be upgraded by the mobile APP with the ZTW bluetooth module.