The RadioMaster Pocket is a small, lightweight radio that packs a big punch. It is available in two versions, ExpressLRS and MPM CC2500, and both versions come preinstalled with EdgeTX firmware. The Pocket is also equipped with removable stick ends and a foldable antenna, making it easy to transport and store. The RadioMaster Pocket is a great choice for pilots who are looking for a small, lightweight radio with all the powerful features you have come to expect. Specifications: Operating frequency: 2.400GHz-2.480GHz Internal RF Options: CC2500 multi-protocol / ELRS 2.4GHz Supported protocols: Module dependent Operational voltage: 6.6-8.4v DC Operating system: EdgeTX Control channels: Maximum 16 (Receiver dependent) Display: 128*64 Monochrome LCD Battery: 2pcs 18650 batteries (**Not included) Charging: Built in USB-C QC3 Charging Upgradable Firmware: Via USB or the included SD card Gimbal: Hall-effect Module bay: Nano size (Compatible with RadioMaster Nano-size modules, TBS Nano Crossfire / Nano Tracer )