Selling my 4K Transmitter that has been professionally updated with the Carolina Dronz Itelite Antenna Upgrade for extended range flying. Works perfectly, comes with 4K thumb buttons, pictured. Shipping will be via Priority Mail Medium Flat Rate Box and will only ship to an address in the Lower 48 States. Satisfaction guaranteed or money back upon return. $240.00 with FREE Shipping. Any questions, please ask. Thanks for looking! NOTE: What appears to be a Vertcal Line in the center of the ST10+ Screen in the first pic is just a refection and nothing else. There are NO lines on the Screen itself.