FLSKY i6S Radio Transmitter

i6S hardware advantages over the DX6i are:
Overall heavier, more solid feel
Larger LCD panel
Backlit LCD
Better menu layout due to increased screen real estate
Secondary navigation method via four buttons – aids data input while flying or holding the Tx
Secondary navigation method provides redundancy if the roller fails
More positive roller movement (when rolling) and enter function (when pressing down)
Slightly smoother gimbals
Slightly more stable stick grip
Adjustable battery low voltage ala

i6S hardware disadvantages compared to the DX6i are:
DX6i trim buttons break easily; i6s  buttons feel and look similar in design but can't possibly be worse
DX6i metal switches snap off easily; i6s
switches feel and look similar but can't possibly be worse
DX6i roller fails or becomes quirky quickly; i6s
roller feels and looks better, plus has 4-button-based data entr
i6s "Up" and "Down" buttons increment oppositely in some menu options

Features:
Full range 2.4GHz

Digital Spread Modulation 2   
6-channel radio
10-model memory
ModelMatch
ServoSync
Roller/selector user interface
Attractive and ergonomic design
Rudder dual-rate
Large LCD display
Integrated timer
Contrast Adjustment
Dual-speed trim scroll
Model name and type
Throttle cut
Trainer Mode
Model Copy
Travel adjustment
Sub-trim
Servo monitor
Dual rate and exponential

Compatible with any existing DS---(M2) receivers
Airplane Programming Features: Flaps, P-mixes, Dual aileron, V-tail, Delta, Differential
Heli Programming Features: Gyro adjust, Graphic throttle curve, Graphic pitch curve, P-mixes, Revo mix, Swash type (Normal, and CCPM 120)