* FBL sensor and FBL controller unit must be used together
* Compatible with helicopter of all sizes from T-Rex 250 to T-Rex 700

Specifications:
* Suitable Voltage Range: DC 3~8.4V
* Current Comsumption: DC 11.1-22.2V 3-6cell Li-Po
* Operating temperatur: -20℃~65℃
* Operating humidity: 0%~95%
* RoHS certified
* Dimension: Control box: 42x26.5x14.5mm
* Weight: Control box: 16g

Included in box:
* Flybarless control unit x1