This is the Tactic TTX850 8-Channel 2.4GHz SLT Computer Radio Transmitter.
Transmitter only, Servos and Receiver Not Included.

FEATURES
Airplane and helicopter programming
8 pre-programmed mixes, 6 programmable mixes
3 flight conditions
6 user-assignable 3 position switches
2 user-assignable 2 position switches
2 user-assignable proportional sliders
User updatable firmware
Reversing, endpoint adjustment, sub trim and exponential
Large backlit graphing LCD screen with adjustable contrast
30-model memory
Wireless and 3.5mm wired trainer systems
Digital trims with slow/fast adjustment
Compatible with the entire range of Tx-R aircraft
Easy-to-use push-button programming controls
Charge jack
Low votage alarm
Dual rates
Ball bearing gimbals and adjustable stick lengths
External antenna rotates and folds for easy storage
One year limited warranty through Hobby Services beginning at date of
purchase

INCLUDES
TTX850 8-Channel 2.4GHz SLT Transmitter
4.8V 1000mAh NiMH Battery, HCAM6321
Tactic TC100 AC Powered Wall Charger
Neckstrap and Instruction Manual
REQUIREMENTS
Servos of modeler's choice
Receiver such as the Tactic TR825, TACL0825

SPECIFICATIONS
Transmitter;
Channels: 8
Frequencies: 2.403-2.480GHz
Modulation: FHSS spread spectrum
Input Power: Four AA alkaline, NICd or NiMH cells
Current Consumption: Approx. 100-120mA
Low Voltage Alarm: 3.20-6.00V adjustable
Memories: 30, with copy function
Stick Modes: Four
Trims: Digital for channels 1-4
Switch Assgnments: User selectable
Display: 256 x 160 graphing LCG with adjustable contrast and
backlight
Channel Controls: Reversing, End Points, Sub Trims, Dual-Rates
Exponential
Failsafe: All channels, user selectable
Timers: Count-up, Stopwatch, Count-Down, Flight Timer
Charge Jack: Futaba compatible
Trainer System: Wireless-Tactic SLT compatible (Even though there is
a trainer jack port, the cables are not available)