1. Voltage: 2.1V DC 2. Operating voltage range: 1.5~4.2V DC 3. Rotation direction: CW/clockwise rotation, CCW/counterclockwise rotation 4. Motor position: all directions 5. Operating environment: -20-60 degrees Celsius, 10-90%RH 6. Temperature: 20+/-2 degrees Celsius 7. Humidity: (65+/-5%)RH 8. Motor status: the output shaft is horizontal (the motor is fixed in the test fixture) 9. Weight: about 5.5g 10. Size: 85 x 20MM 11. Cable length: 71mm (rear) 87mm (front) 12. Specifications: forward black and blue lines, reverse black and blue lines 13. Axial clearance: 0.05-0.3mm 14. No-load speed: 28000+/-10%RPM 15. No-load current: 200mA (MAX) 16. Load speed: 20500+/-6%RPM (voltage 2.5V passenger blade 76mm-CW) 17. Load current: 2.7+/-0.25A (voltage 2.5V, passenger-supplied blade 76mm-CW) 18. Starting voltage: 0.8VDC (MAX) (rated load, shaft level) 19. Dielectric strength: 5MQ (MIN) (add 100V DC voltage between the wire and the motor body.)