Multi Function programmer for the Seaking Pro 120A & 160A ESC. Allows for quick and easy programming without needing to use the transmitter. Multi function because it includes a Lipo Battery meter, programmer and usb adapter in one unit. With a PC, you can upgrade ESC firmware and further adjust ESC parameters online. Besides, it’s compact, portable and very applicable for field use. NOTE: Programs the following, Platinum series of brushless aircraft ESCs, XeRun series & EzRun series of brushless car ESCs, Seaking Pro series of brushless boat ESCs See Picture 3 for picture of how this is wired for use.SpecificationsSize: 90mm (L) * 51mm (W) * 17mm (H)Weight: 65g Input Voltage: 4.5-12.6V(If the ESC hasn’t a built-in BEC, you must use an additional battery pack to supply the program box) Display: 16*2 characters LCD.Interface: Mini USB interface, ESC interface (Futaba plug), Power supply interface (Futaba plug)