1. The Microservo SG90 9G weighs 9 g and has a torsion of 1.5-1.7 kg/cm (4.8 v-6 v).
2. 40A ESC with security activation function, accelerator calibration function, support for several program methods.
3. Compatible with lithium batteries (not included in the scope of delivery). Time can be changed to adapt it to several motors without brushes.
4. Integral , with low pressure/overheating /gas signal loss .
5. This kit contains 2217 KV1250 Motor 8060 Propeller Direction Engine 40A ESC, you can offer your RC helicopter a better performance.

Technical data:
Article type: 2217 motor kit
Material: Metal Plastic
SG90 9G SERVO CARAMER:
Size: approx. 21.5 x 11.8 x 22.7 mm/0.85 x 0.46 x 0.89 inches
Weight: approx. 9 g/0.32 ounces
Limits: 0.12 S/60 degrees (4.8 V)
Torsion with a blocked rotor: 1.5–1.7 kg/cm (4.8 V - 6 V)
Working temperature: -30– 60 ℃
Totzone configuration: 5 microseconds
Work voltage: 4.8V-6V
2217 Motorstecifications:
Size: approx. 27.8 x 32 mm/1.1 x 1.3 inches
Axis diameter: approx. 4 mm/0.16 inches
KV: 1250 kV
40A technical data with ESC:
Plug:
Permanent current: 40a
Upper current: 55a (10s)
Performance recording: 2-4 Lithium batteries (not included in the scope of delivery)
BEC Output: 5 V A 3 A (Linear control mode linear mode)
Maximum speed: 210,000 rpm for 2 -pin engine, 7000 rpm for 6 -pin motor, 35,000 rpm for 12 pins
Application: suitable for remote controlled RC helicopters

Packaging list:
1 x motor
2 x propeller
2 x steering engine
1 x controller (not included in the scope of delivery)
1 x motor base
1 x conical head
6 x Servo arm
1 x cable tie
10 x screw
2 x ranks of