This LED program box is for programming HobbyWing brushless ESCs. Its friendly interface makes ESC programming easy and quick. It’s compact, portable and very applicable for field use. Applications: Platinum V1/V2 series & FlyFun V5 SkyWalker V2 Series of brushless aircraft ESCs XeRun series (most), EzRun series & QuicRun series of brushless car ESCs SeaKing series of brushless boat ESCs Specifications: Size: 88x58x14mm Weight: 40g Input Voltage: 4.8-6V NOTE: If the ESC doesnt have a built-in BEC, you will need to use an additional 6.0V battery to supply power to the program box.