Soarsky Original FLYSKY Noble NB4/NB4 PRO Receiver FGR4 4CH Waterproof 2.4G AFHDS ANT High-speed Receiver Spare Parts Series 5 hours (standard accessories) Charging

5 hours (standard accessories) Charging USB 5V/2A (~6h) or Wireless (~7h) Low Voltage Warning <3

it can send many different types of data including flight control data

and the ESC timing is set to 0 degrees

and the launcher itself is about 50g

8V / 4Cells

Soarsky Original FLYSKY Noble NB4/NB4 PRO Receiver FGR4 4CH Waterproof 2.4G AFHDS ANT High-speed Receiver Spare Parts Series 5 hours (standard accessories) ChargingProduct model: FGr4PWM channel: 4Wireless frequency: 2. 4GHzWireless protocol: AFHDS 3Range:> 300m (ground)Antenna type: single antenna (150mm)Power: 3. 5 12VRSSI: SupportedData port: PWM PPM i. bus s. busTemperature range: 10 + 60 Humidity range: 20% 95%Online Update: YesDimensions: 29 * 22 * 16. 2mmWeight: 15gCertification: CE, FCC ID: N4ZFGR400