This is the S3108 Micro Servo from Futaba servo, which is used for R/C park flyer airplanes.

This servo can produce high-current draw from your batteries.
If using NiMH or Li-Po batteries, make sure they are capable of delivering sufficient Amps.

FEATURES:
Delivers excellent torque and speed for its small size and light weight
Special four point micro servo horn
Extremely light weight, ideal for small planes and park flyers
Can be used for elevators, ailerons and rudders
One year limited warranty

INCLUDES:
One S3108 Micro Servo with Futaba J male connector, servo horn, and warranty sheet

REQUIRES: Servo mounting screws (FUTM2350), installing in model

SPECS:
Speed: 0.12 sec/60 deg @ 4.8V
Torque: 17 oz/in @ 4.8V
Dimensions: Length: .9" (21.8mm)
Height: 0.8" (19.8mm)
Weight: 0.27 ounce (7.6 grams)
Servo horn length at longest point: 0.90" (23mm)
Servo horn length at shortest point: 0.62" (16mm)
Connector: Male "J" type with approx. 5" (126mm) wire

COMMENTS:
This servo cannot be used with gasoline engines or large/middle scale gliders or other models that require torque. Use of 6.0V not recommended as this will shorten servo life.

This servo has the standard Futaba J connector.If needing the micro connector and individual would order FUTM0700.
Micro Extension is FUTM4508.
For replacement horn set use part # HRCM5708 (per jpg)
No gear set available, per FUTABA.