S3003 Standard Plastic Gear High Torque Servo For RC Futaba Car Boat Airplane Brand New & High Quality. Great for Racing Car, Helicopter and Airplane. Stall Torque: 3.2 kg / cm (4.8V), 4.1 kg / cm (6.0V). Operating Speed: 23 sec/60¡ã (4.8V), 19 sec / 60¡ã (6.0V) Operating voltage: 4.8-7.2V. Temperature range: -30¡ãC -- +60¡ãC. Dimension: 4cm x 2cm x 3.8cm. Package Including: 1 x S3003 Servo (with accessories)