9G Micro Servo
This is the most popular mini servo. Only weighs 9 gram and gives you a 1.5 kg/cm torque. Pretty strong regarding its size. Suitable for beam type robots.

Key features:
• Translucent body
• Lightweight
• Less noise

Size: 21.5mmX11.8mmX22.7mm
Weight: 9 grams
No load speed: 0.12 sec / 60 deg (4.8 V)
Locked-rotor torque: 1.5-1.7kg/cm (4.8V-6V)
Operating temperature: -30~~+60 degrees Celsius
Dead zone setting: 5 microseconds
Working voltage: 4.8V-6V

A2212 2200kv Motor Specification:
KV: 2200
Ri(M Ω): 0.033
Battery: 2-3Li-Po
Max Power: 342W
Test Prop: 7×3/7×4
Motor Size: 27.5x38mm/1.08''x1.5''
Shaft Diameter: 3.17mm/0.12''

30A Brushless speed controller ESC：
Compatible with: 400-450 helicopters / Aircraft or Quad-Rotor Multi RC Helicopter
-Output: Continuous 30A, Burst 40A up to 10 Secs.
-Input Voltage: 2-3cells lithium battery or 5-9 cells NiCd/NIMh battery.
-BEC: 2A / 5V (Linear mode).
-Max Speed: 210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM.
(BLM: BrushLess Motor)
With T plug and 3.5mm banana connectors

40A ESC:
Continuous / peak current: 40A/55A
Number of battery sections: 2-3S LiPo
BEC output: linear mode: 5V, 3A
Power cord: red -16AWG-100mm*1; black -16AWG-100mm*1
Output line: blue -16AWG-75mm*3
Power plug: T Plug (can be customized according to requirements)
Output plug: 3.5Mm bananer  connect (female)