Original FrSky-R9 Slim plus FCC Long Range SBUS Receiver FCC 6/16CH 900MHz ACCST For RC Quadcopter Multicopter Part Compatible Camera 4K Dual Drone Low voltage alarm: Yes

Low voltage alarm: Yes

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4V 1200mAh Li-ion battery (included) Transmitter battery: 4 x 1

5x6cm (the arms not folded)

Original FrSky-R9 Slim plus FCC Long Range SBUS Receiver FCC 6/16CH 900MHz ACCST For RC Quadcopter Multicopter Part Compatible Camera 4K Dual Drone Low voltage alarm: YesThe FrSky R9 Slim+ receiver is the updated version of R9 Slim, with optimized performance and 2 detachable antennas. The R9 Slim+ has all the features of the R9 Slim with the flexibility to work with more external devices by incorporating the inverted SBUS and S. Port outputs. 915MHz (Non EU Version) 868MHz(EU Version) Performance optimized 2 detachable ipex connector antennas Small and conveniently setup Low latency and high precision Support