----------- no. 1 Hobbbywing -------- Hobbywing RC Car 120A Program Card LED Program Box 2C 86020010 Programm Card for XERUN and EZRUN Series Car Brushless ESC Specifications: Item Type: Program Card Material: plastic Size: 88x58x14mm/3.4x2.2x0.5in Color: Black Input voltage: 4.8V-6.0V Quantity: 1 PC Package Includes: 1 x Program Card ----------- no. 2 Universal ---------- RC Car Program Card Electronic Speed Controller Programmer for RC Car 25A-120A Brushless ESC Instuctions : 1. Connect BEC wires with the receiver 2. Connect motor wires with ESC 3. Turn on the transmitter 4. Connect battery pack with ESC then switch on the ESC. 5. When the connection of motor and battery is finished 6. When the throttle stick is in the neutral position 7. The ESC is workable. Package Includes: 1 x Program Card