- 【LIGHTWEIGHT】:The SG90 9G micro servo weighs only 9g and has a torsion of 1.5‑1.7kg/cm (4.8V‑6V).
- 【GOOD PERFORMANCE】:40A ESC with security arming function, throttle calibration function, support multiple program methods.
- 【FIT FOR】:Compatible with lithium batteries(not included). The time can be changed to suit different brushless motors.
- 【COMPREHENSIVE 】:Comprehensive , features low pressure cut‑off /overheat /throttle loss .
- 【COMPLETE SET】:This kit includes 2217 KV1250 motor 8060 propeller steering engine 40A ESC, can provides your helicopter better performance.