Specifications Dimensions (Length x Width x Height): 40.2 x 20.0 x 38.6mm Net Weight: 59g (2.08oz) Speed: 0.09sec / 60 angle (4.8V), 0.07sec / 60 angle (6V) Torque: 12.8 Kg.cm / 178.1 oz.in (4.8V), 15.8 Kg.cm / 219.8 oz.in (6V) Gear Material: Metal Application: RC Model Airplane / Car / Boat 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.