Package includes 2 x S3157 servos complete

FEATURES

Ideal for small electric planes and helicopters

Futaba S3157 Digital High Speed/High Torque Micro Servo with
universal connector
.71" x .79" (18mm x 20mm) 4 arm servo horn (pre-installed)
0.79" x 1.6" (20mm x 40mm) 4 arm servo horn
0.79" (20mm) diameter round horn

Installing in aircraft, connecting linkage and connecting to
receiver

Torque: 21 oz-in (1.5 kg-cm) @ 4.8V
24 oz-in (1.7 kg-cm) @ 6.0V
Speed: 0.10 sec/60° @ 4.8V
0.09 sec/60° @ 6.0V
Size: 0.9 x 0.4 x 0.9" (22 x 11 x 23mm)
Weight: 0.29 oz (8.3g)

Not for use with gasoline powered models, large models or other
models that require high torque.
Using voltage higher than 6.0V or applying high load to the servo
will shorten its life.
Always use the servo horn specially designed for this servo. Do not
use conventional servo horns.
Excessive force or shock to the servo horn may damage the ultra mini
precision gears inside the servo.