This is an Airtronics 94647 (ERS971) Low-Profile High-Speed Metal Gear Coreless Digital Servo. This low-profile digital servo is ideally suited for use in 1:10th scale cars. In addition to being waterproof, this servo features a coreless motor, dual ball bearings, metal gear train and an aluminum heat-sink.

Airtronics puts the power where it counts in this fantastic performance servo. The 94770 servo from Airtronics gives racers the speed AND power to get the job done right!

The Airtronics 94774 Metal Gear, Ball Bearing, High Speed Digital Servo is perfect for use with larger aerobatic aircraft, helicopter cyclic controls and 1:10 scale cars and trucks.

The Airtronics 94775 Metal Gear, Ball Bearing, High Power Digital Servo is perfect for use with larger aerobatic aircraftand 1:10 or 1:8 scale cars and trucks. This is a perfect servo for those applications where you require more torque.

The Airtronics 94851 Metal Gear, Ball Bearing, High Power Digital Servo is perfect for use with  larger scale aircraft and 1:10 to 1:8 scale cars and trucks.

The Airtronics 94761Z Micro High-Speed, High-Torque, Metal Gear, Ball Bearing Digital Servo is the ultimate sailplane servo. This servo is also ideally suited for use on elevator and ailerons for pattern planes and anywhere else a small digital metal gear servo is needed.

The Airtronics 94809 Micro High-Performance, Metal Gear, Ball Bearing Digital Servo is ideally suited for 400-450 size 3D helicopters and 45-50 ounce EP aerobatic aircraft. This is a high-performance servo that will make your aircraft or helicopter fly more precisely than analogs at a price that doesn't break the bank.

The Airtronics 94846 gives you a digital, high power servo in a standard size with a durable metal gear train perfect for the high-stresses of larger aircraft and off-road vehicles. Need more power than your RTR servo could muster? This is the perfect upgrade. The power you need at a very reasonable price.

The Airtronics 94802 Sub-Micro Ball Bearing Digital Servo weights only 7.5 grams! This servo is perfect for use in Foamies, 2M Glider Ailerons, HLG/DL Gliders and other similar applications. When small size, light weight and precision are all important, look to this tiny servo that really packs a punch!