4Pcs ELRS 2.4G High Frequency Head Receiver Module Set With Long-distanced Stable Performances User Friendly ExpressLRS Module Board

There is a compartment on the back that supports CRSF remote Build in cooling fan with excellent heat dissipation performances, effectively reducing working temperature and extending service life Build-in color screen and parameters adjustment button, including return rate, light color, frequency alignment, and upgraded A highly performances 2.4G ELRS high-frequency head with output power of up to 500mw, providing stable connection Configure XT30/TypeC interfaces for external power (5V-12V) 2S8.4V batteries are recommended, but batteries 3S12.6V are not supported, otherwise they may be damage