Specification: Size: 7 x 16mm Voltage: 3.7V, no-load current around 110ma, locked 1.54A Speed: 40000rpm without load (per minute) Motor shaft: 0.8mm Wire length: 80mm, wire diameter 0.5mm; Motor weight: about 2.56g Propeller length: 45mm Propeller inner hole: 0.8mm Propeller material:...