Product description features: 1) blue plastic crust 2) pom gear 3) applications: micro planes, hand launch gliders, small electrics helicopters Specifications: 1) supply voltage: 4.8~6.0v 2) speed: 0.12sec/60o (no load running) 3) torque: 0.4kg. Cm 4) operating current: 100ma 5) static current: 1ma 6) dead band drain: 10uses 7) connector wire length: 165mm 8) dimensions (l * w * h): 20.0 * 17.6 * 8.0mm 9) weight: 3.7g(less connector) 10) connector: jr and jst plug Plastic package or color box