DIYmall 150KG DS51150 Digital Servo, Full Metal Gear, 180 Degree Waterproof, IP66, 12V, with 18T Servo Arm, for Baja Cars and 15 Scale RC Cars

Operating voltage: DC 10-12.6V, optimal operating voltage is 12.6V Torque: 150kg/cm (10V), 165kg/cm (12V), 173kg/cm (12.6V) Speed: 0.24sec/60° (10V), 0.21sec/60° (12V), 0.19sec/60° (12.6V) Gear type: Copper and aluminum This servo is IP66 waterproof, but not submersible You will get: 1 x DS51150 Digital Metal Robot Servo + 1 x 18T Adjustable Metal Servo Arm + 1 x Accessory Set