This is a Hitec HRC35645S (HS-5645MG) Digital Super Torque Servo. It features programmable EPA, Speed, and Direction (with optional field programmer), 3 Metal Gears, Dual Ball Bearings, Long Life Potentiometer, gold plated contact, and a watertight case. It has a transit time of 0.18s, and a torque rating of 168 oz-in at 6.0V. It measures 1.59x0.77x1.48 and comes with a universal connector so it works with Futaba, JR, Airtronics (Z), and Hitec Radio Sytems. This is a digital servo and is programmable using the optional (not included) field programmer to set EPA, speed, direction, and failsafe setting.
