This RC receiver unit is Flysky Noble NB4 compatible. It offers full 4-channel support in ultra-light weight and micro size. It is designed for micro racing cars.
Features :
1) Modulation:Compatible Flysky Noble NB4
2) Small size: 19.6*12*6,8mm
3) Super light: 2,4g
4) Working voltage:3.7~8.5V
5) High performance CPU enhance exactness control feeling
6) 4 channel support
7) Added failsafe function
8) Ideal for any micro RC racing chassis
Compatible Transmitters :
-FLYSKY NOBLE NB4
-FS PL18