HOBBYWING PROGRAM CARD FOR SPEED CONTROLLER buggy / car ONLY Specification 1. Size: 88mm*58mm*14mm 2. Weight: 40g. 3. Input Voltage: 4.8-6V (If the ESC hasn’t built-in BEC, you need to use an additional battery to supply the program box). Note: Hobbywing has the following 3 program boxes, their hardware and software are all identical, bur they have different labels. User can print the suitable labels to make the program box to be suitable for more products.