Specifications Rotational Speed: 1050 RPM/V Continuous Current: 25A Max. Current: 30A Input Voltage: 6 - 22V Max. Efficiency: 98% No Load Current: 0.7A Internal Resistance: 75m ohm Motor Dimensions (Diameter x Length): 28.2mm x 33.6mm Shaft Dimensions (Diameter x Length): 2.97mm x 13mm Input Battery Types: NiCd/ Nimh/ Li-po Battery Recommend Model: Airplane Package Included 1 x 1050 Outrunner Burshless Motor (with accessories & English Manual) This is special edition bundle with RCECHO Apps license key included for more fun!. RCECHO is a registered trademarks. Products only distributed by authorized seller.