Hollow Cup Specification: 7 * 16.5 MM
Voltage: 3.7 V
Current: No load: 0.08 A; Stall: 2.1 A
Speed: 50000 RPM (actual speed may be high or low)
Voltage: 4.2 V
Current: No load: 0.1 A; Stall: 2.3 A
Speed: 55000 RPM (actual speed may be high or low)
Output shaft: 0.8 MM
Output shaft length: 8.5 MM
Lead length: approx. 75 MM
Weight: about 3 g