Hobbywing Upgraded 3 In1 Multifunction Professional LCD Program Box for ALZRC Devil 380 as shown

--Works as an individual device to set the ESC, the value of each parameter is displayed on the LCD screen.

--Works as an USB adapter to link the ESC with a PC to update the firmware of the ESC or set the ESC by HOBBYWING USB LINK SOFTWARE .

--Works as a Lipo battery voltmeter to measure the voltage of the whole battery pack or each cell.