Radio control · High power model oriented · Limiting voltage 12.0 V, proper voltage 7.2 V, proper load 9.8 mN · m (100 gf · cm), rotational speed 14200 r / min, consumption current 2.90 A, shaft diameter 2.30 mm, weight 75 g, external dimensions 37.8 × 27.7 mm, when using constant voltage power supply (from Amazon.co.jp)