The Spektrum Smart ESC Programming Update Box lets you set, review, adjust and save the operating parameters of your Avian and Firma electronic speed controls. When connected to a PC using the included USB cable, the programmer will update Smart ESC firmware and can adjust parameters through the Spektrum SmartLink app. You can also use it to check the balance of your LiPo battery cells.

Features:

• Review, adjust and save Spektrum Smart ESC parameters
• Connect (via USB) to a PC to update Smart ESC firmware and adjust parameters via Spektrum SmartLink PC app
• Check a LiPo battery's cell balance

Specifications:
Input Voltage: 4.5V - 12.6V DC
Length: 3.5" (90mm)
Width: 2" (51mm)
Height: 0.7" (17mm)
Weight: 2.3oz (65g)

Includes:

• (1) Smart ESC Programmer
• (1) USB Cable
• (1) ESC Cable
• (1) Product Manual