Spektrum NX8+ 20-Channel DSMX Transmitter Only (SPMR8210)

20 channels AS3X+ Forward Programming Smart technology compatibility out of the box Backlit 3.2”, 320x240 resolution display screen with multiple color palette choices and user customizable colors Wi-Fi connectivity for easy product registration and firmware update Spektrum NX8+ 2.4GHz DSMX 20-Channel Transmitter Features Supports Smart model file downloads Added programming features such as Logic Switches, Custom Audio Alerts, among many others Easy roller-wheel scrolling interface with Clear, Back, and Function buttons Airplane, sailplane, multi-rotor, and helicopter programming 24 programmable mixes, 8 sequencers, and up to ten different flight modes 250 model memory Model templates for BNF® aircraft Superb ergonomics optimized for comfort and precise, fatigue-free control Integrated serial port for supporting 3rd party modules *Serial port does not provide power. An external power source is required 3.7V 2200mAh 1S Lithium-Ion transmitter battery and a USB cable