This is a Combo for Quadcopter / Aeromodelling / Multirotor. Package Includes - A2212 Brushless Motor (BLDC) 1000 kv - 1pc 30A Electronic Speed Control (ESC) - 1pc 1045 Propeller CW & CCW Pair - 1 pair. Below are individual specifications for the components. A2212 Brushless Motor 1000KV Specifications: - A2212 1000KV - RPM/V :1000 - Stator Diameter(mm) :22 - Stator length(mm) : 13 - Stator Arms(mm) : 12 - Magnet Poles : 14 - Motor Winding : 22 - RPM(KV) : 1000 - Idle Current(A) : 0.55/8 - Max Current (A) : 17 - Max Power(W) : 190/3 - Rotor Dia(mm) : 28 - Shaft Dia(mm) : 3.17 - Motor Length(mm) : 28 - Overall Length(mm) : 42 - Biggest Thrust g/S : 1200/4 Comes with Prop adapter, Motor Mount and 4 screws; exactly as shown in the image. 30A Electronic Speed Control (ESC) Description - Electronic Speed Controller (ESC) is a electronic circuit to vary the speed, direction and possible to act as a dynamic brake, of a Brusless Motor. This particular ESC is recommended with A2212 brushless motor (1000kv, 1400kv,2200kv). Specifications - Weight : 23g Dimensions: 45.0*24.0*9.0mm Current(A): 30-40 BEC : 3A PWM: N/A Li-Po : 2-3 Ni-Mh/Ni-cd : 4-10Ni-Mh Constant current : 30A Max 40A <10s Li-Poly 2-3 cells; Ni-MH 4-10 cells Auto Detect Break On/Off Auto Low battery Slow down at 3.0V/cell Lipo, cut-off at 2.9V/cell Lipo 1045 Propeller CW & CCW Pair This pack includes two propeller blades with adapters (1 CW and 1 CCW), similar to the photo displayed (color might be different) Description -The propeller 1045/1045R is a set of counter rotating RC aircraft propellers perfect for use in twin and multiple motor RC airplanes or coaxial RC helicopters. You receive 2 propellers: one prop rotates clockwise cw and the other prop rotates counter clockwise ccw (1 left hand & 1 right hand rotation). These matched rotor blades are a hard to find matched counter rotating pair. The length is 10 inches and the pitch is 4.5 inches per revolution.