<b>Specification:</b><br> Item name: DJI Tello Motors <br> Voltage: DC 3.7V<br> Shaft end play: 0.05-0.3mm<br> No-load speed: 52000±10%RPM<br> No-load current: 93mA (MAX)<br> Load speed: 24200±6%RPM<br> Load current: 2200mA (MAX)<br> Starting voltage: 0.8V DC (MAX)<br> Dielectric strengt: 5MΩ (MIN)<br> Gross weight: 5.5g/pc<br><br> <b>Package List:</b><br> 2*CW DJI Tello Motors<br> 2*CCW DJI Tello Motors<br><br> There may be some deviation due to manual measurement.<br><br> <b>NOTE:</b><br> They are after market motors, but not DJI Stocked Motors.