Descriptions: 
1> Motor:
4 poles Hi-torque motor design.
CNC machined 6061 T6 billet alumium heatsink can.
High purity copper windings maximizes efficiency.
High RPM ABEC5 oversized bearings.
Universal fits 1/18 brushless cars-multi-mounting system for M2.5 screws.
Precision balanced rotor, smoothness for best reliability and maximum RPM.
Stator - Super Thin (0.35mm) laminations.
Removable/replaceable.
Precision engineered for maximum energy conversion.
2> Electric Speed Controller:
Compatible with sensorless brushless motors.
High anti-interference capability.
Using advanced software interface to set up or update the software.
Super smooth and accurate throttle linearity.
Fast response to throttle input.
Multiple protection features: low voltage cut-off protection, over-heat protection and throttle signal loss protection.
Specifications: 
1> Motor
RPM: 7200KV
Max Current: 24A
Max Watts: 200W
Can Size: 2430
Sensored: No
Shaft Diameter: 2mm
Shaft Length: 12mm
Bullet Connector: 3.5mm
Max voltage: 7.4V(2S)
2> Electric Speed Controller:
Cont. Current: 25A
Burst Current: 90A/10sec
Battery: 2 Cell Lipo / 4-6 Cell NiMh
BEC: Yes
BEC Output: 5V/1A
Power Supply Plugs: T Male
Motor Plugs: Female 3.5mm Bullet Connector
Motor Size: Approx. 41 x 24mm/ 1.6 x 0.9inch(Height x diameter)
ESC Size:Approx. 37 x 26 x 14mm/1.5 x 1 x 0.6 inch
 
Package Included:
1pc * 2430 7200KV 4P Sensorless Brushless Motor
1pc * 25A Brushless Electric Speed Controller
1pc * manual