There are 2 kinds of LCD program boxes.
1. 2 in 1 Professional LCD program box:
It is the old version program box which will be stopped producing soon.
2. Multifunction LCD program box:
It is the new version, it uses MCU (microprocessor) with more storage space, and it also has a new function to work as Lipo battery voltmeter to measure the voltage of the whole battery pack and each cell.

Firmware for the LCD program boxes

1. 2 in 1 Professional LCD program box: It has 2 types of firmware.
a) Type A: The firmware with postfix "_V3" (eg. V1.11_120331_V3) is only suitable for setting XERUN-120A-SD V3 and V3.1 ESC.
b) Type B: Other firmware without postfix "_V3" (eg. V1.08_120504) is suitable for setting the ESC below except the XERUN-120A-SD V3 or V3.1 ESC.
i. XERUN series V2.0 and V2.1 car ESCs;
ii. EZRUN series V2.0 car ESCs;
iii. Platinum series aircraft/helicopter ESCs.
iiii. Platinum-V3 series aircraft/helicopter ESCs.
Please select the correct firmware for the 2 in 1 professional LCD program box according to the type of the ESC. The factory-preset firmware is Type B, but it can be upgraded to Type A and downgraded to Type B by user himself.

2. Multifunction LCD program box:
Because of its larger storage space, a single firmware can be compatible with all speed controllers, including XERUN series V2.0/2.1/3.0/3.1, EZRUN V2.0,Platinum and Platinum -V3 series.