Power Hobby - 545LP Super Torque Low Profile Brushless Digital Servo

Features: Fast Cooling Heat Sink Case Soft Start (Requires PHUSB) Extra Strong Steel Gears High Quality Brushless Motor Dual Ball Bearings Programmable Digital Circuit Fully Upgraded 4PIN Wear-Resistant Wire High Precision Magnetic Sensor Waterproof Up to IP67 Available to Change the Firmware for Regular and Winch Usage (Requires PHUSB) Ideal for 1/10, 1/12 On Road, Touring, Drifting cars, Airplane, Robot, Boat etc. Specifications: Operating Voltage: 4.8-8.4 V Operating speed: 0.120 sec/60deg @ 6.0V Operating speed: 0.105 sec/60deg @ 7.4V Operating speed: 0.090 sec/60deg @ 8.4V Stall Torque: 44kg - 611 oz-in @ 6.0V Stall Torque: 50kg - 695 oz-in @ 7.4V Stall Torque: 56kg - 778 oz-in @ 8.4V