This is our new firing system, compare to normal receivers, this receiver is changeable, it can change to any channel number as you want, don't need to program with the remote control or move the receiver to other position, easy to operate and more convenient to use! You can understand more clearly from the below picture.
Phone: +86 15116168813
Tel: whatsapp 008613755007097
Add: No. 148, Mid-Lao Dong Road, Liuyang, Hunan, China