Receiver code:First completely disconnect the power supply on the plane; Press and hold the small black dot on the receiver first and don't let go, catch the power; After about 3 seconds after power on, let go of the small black dot; Press and hold the small black dot again for about 10-15 seconds. At this time, the receiver will turn into a green light flashing slowly; at this time, the receiver is in the state of frequency binding, and BIND is performed on the tuner or controller; at this time, the high The tuner or TANGO 2 will ask if you want to update the receiver, please press ENTER; if the tuner enters the state of blue flashing light, please wait for 1-2 minutes without pressing any button, wait until it reaches 100% Click until the lights of the tuner and the receiver turn into green lights that are not flashing, and the frequency binding is completed.<br><br>Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:black Material:PCB+plastic<br><br>Package Contents: 1 x KIT<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.