Voltage: 1- 1811-2000KV Test Data: No-load Current: 0.4A/7.4V Max Power: 38W Voltage: 2S, Prop: 7*3.5, Current: 4.1A``, Thrust: 165g Voltage: 2S, Prop: 6*3, Current: 3.4A``, Thrust: 150g Voltage: 2S, Prop: 5*4.5, Current: 4.0A``, Thrust: 135g Color: Silver Material: Metal Size: 18*18*30mm Motor Diameter: 17.5mm Motor Length: 21.8mm Total Length: 29.8mm Shaft Diameter: 2.0mm Package Contents: 6 * 10g 1811 Motor 6 * 2.0mm Propeller Adapter 6 * Propeller Saver with Rubber O-Ring 6 * Hex Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.