Favourite Sky 1 Series LED Programming Card for Brushless Airplane ESC<br><br>Description:<br>Input Voltage: 4.8-6V (If the ESC does not have built-in BEC, you need to use an additional battery or UBEC to supply the program card)<br>Suitable for all SKY I series Brushless Airplane ESC<br><br>Package Information:<br>Package size: 9 * 5 * 1cm / 3.6 * 2 * 0.4in<br>Package weight: 31g / 1.1oz<br>Adhesive taps package<br><br>Package List:<br>1 * LED Programming Card