Features: Accurate remote with the RadioMaster TX12 MKII featuring Hall gimbals for precise operation in remote flying. This device supports ELRS/CC2500 technology for stable signal transmission, along with OpenTX open source system customization capabilities. Updated main board and rear case with comfortable grip; Improve Grip Updated to STM32F407; EdgeTX factory installed; Internal ExpressLRS Module Perfect for outdoor racings and exploration, providing a smooth and responsively experience. Specifications: Size:about 170x159x108mm/6.69x6.26x4.25in Weight: 363g Frequency: 2.400GHZ-2.480GHZ Chip option: CC2500/ExpressLRS (ELRS) Transmitting Power: 20dbm Gain: 2db Working Current: 320mA 8.4V DC6.6-8.4V Radio Firmware: EdgeTX (Transmitter) / ExpressLRS Channels: Up to16 (depending on receiver) Display: 128x64 Monochromed LCD display Gimbal: Precise hall gimbals USB Charging: QC3 UsbC SDcard: Included Accelerators Types：Left / Right Package Includes: 1Set TX12 MKII Mark 2 Radio Transmitter note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution