PRIME R/C WATERPROOF HIGH-TORQUE METAL GEARED SERVO PMQ1023 Features Operating Voltage: 3.0-6.0v Stall Current: 1.5A @ 6v Operating Current: 60mA @ 6V, no load Output Spline: 23T Torque: 140 oz./in, 10.1 kg.cm @ 6v Speed: 0.20 seconds/60 deg. @ 6.0v This high torque standard servo from Prime RC is waterproof and comes with metal gears.