HelloRadio V12 Radio Controller (ELRS / M2)

Size：179*125*55mm
Weight：360g (no battery)
Frequency：2.4GHz
CPU：STM32H750XBH6
ELRS RF chip：LR1121
RF module：ExpressLRS
Work current：260mA 
Work voltage：6.6-8.4V DC 
System：EdgeTX
Display：2.4 inch IPS
Dual turbo fan
Power：2*21700 battery (not included)
Channels: more than 12 channels (up to the receiver) 
Upgrade method: Supports USB-C online / SD card offline upgrade
Module Bay: Compatible with JR nano