FrSky ACCST Taranis X9D PLUS 16CH 2.4GHz Transmitter with X8R Remote Control Toys Parts Model name: Taranis X9D . Number of Channels: up to 16 . Operating Voltage Range: 6-15V (2s, 3s Lipos are acceptable) . Operating Current: 260mA maximum (both RF module and backlit are on) . Operating Temperature: -10~60C . Backlit LCD Screen: 212*64 Monochrome . Model Memories: 60 (expandable by SD card) . Battery: 2000 mAh . Compatibility: FrSky X series,D series and V8-II series receivers . Stick mode: Mode 2 (Left hand throttle) . Features: RSSI alarms (warns you of reception problems before it becomes an accident) . 16 channels (more when combined with external module) . 64 mixers, 9 flight modes . 16 custom curves with 3-17 points each, 32 logic switches . Self-test of the transmitter antenna . 60 Model memory (expandable via a SD card) . Audio Speech outputs . USB and SD card slot for unlimited memory, and firmware upgrades, sound editing. . Long range system capable of up to 3 times the range of current systems . Package Includes:1 x Taranis X9D ACCST PLUG 2.4GHz Transmitter Version B(Mode 2) . 1 x X8R Receiver . 1 x Battery . 1 x Neck Strap . 1 x Carton .