Description: The set includes a 3670 2150KV 4P Brushless Motor and a 80A brushless Electric Speed Controller(ESC). Perfect for the 1/8 1/10 RC auto car/truck on road. The 3670 Brushless Motor is with high quality aluminum alloy parts that are produced on the latest CNC milling machines. Additionally, the 80A brushless ESC features enhanced throttle response, excellent acceleration, strong breaks and throttle linearity. Material: Metal WARNINGS: not for 1/8 racing car or crawler. Specification: Motor: RPM: 2150KV Max Current: 70A Max Watts: 1600W Can Size: 3670 Can Diameter: 36mm Can Length: 70mm Shaft Diameter: 5mm Shaft Length: 17mm Bullet Connector: 4mm Weight: 265.6g Max voltage: 7.4V(2S)-18.5V(5S) ESC: Cont. Current: 80A Burst Current: 480A/10sec Battery: 2-4 Cell Lipo / 4-12 Cell NiMh SBEC: Yes SBEC Output: 6.1V/3A Power Supply Plugs: T Male Motor Plugs: Female 4mm Bullet Connector Size: 55×43×40mm(without fan) Weight: 116g Package Includes: 1 Piece 3670 2150KV Brushless Motor 1 Piece 80A Brushelss ESC 1 Piece Instruction Note: Size for manual measurement, there may be a 0 to 1 mm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please note motor waterproof only, esc can not