(1) Size: 40 * 40mm, thickness 15mm

(2) Voltage: 3v

(3) Deceleration: 12.1 times

(4) Speed: 3V when about 300 revolutions per minute

(5) shaft: shaft diameter 2mm, total shaft length 60mm

(6) Fixed: reserved two 2mm holes, pitch 20mm

(7) Weight: about 36.5 g