DJI Remote Controller for P4 Pro Quadcopter Brand New Includes Manufacturer's Warranty Product # CP.PT.000604 The DJI Remote Controller for Phantom 4 Pro Quadcopter integrates an upgraded Lightbridge HD video transmission system that adds 5.8 GHz transmission support. The ability to choose between 2.4Ghz and 5.8Ghz allows pilots to cut through interference and eliminates image lag caused when flying in an area with extensive 2.4Ghz frequency use. This ensures the optimum range of a maximum video transmission of 4.3mi 7km . A 5.5 1080p screen integrated with the Phantom 4 Pro offers 1000 cd/m2 of brightness, more than twice as bright as conventional smart devices. As the DJI GO app is built into the screen, hardware and software can be fully optimized, further reducing video lag. Integration of an HDMI port, Micro-SD card slot, microphone, embedded loudspeaker, and Wi-Fi connection allow images to be edited inside DJI GO to be shared almost instantly. Remote Controller for Phantom 4 Pro Quadcopter Features Remote Controller with Display Phantom 4 Part 64 5.5 HD Display Switchable Between 2.4 5.8 GHz Bands Lightbridge HD Video Transmission System 5.8 GHz Transmission Support Up to 4.3 Miles Operating Distance Built-in Battery Chemistry Lithium-Ion Polymer Capacity 6000 mAh Configuration 2S 5 hr Life Compatible With Tablets Smartphones