This is a Hitec HS-5745MG Digital Quarter Scale Servo. This servo is used where you need maximum torque such as 1/5th scale cars, trucks and large scale aircraft. It supplies 249.96 oz-in of torque and and a transit time of .15s at 6V (208.30oz-in, .18s @ 4.8V). It features triple ball bearings, programmable digital amplifier, MOS FET Amplifier, gold plated contacts, super efficient heat sink, durable heavy duty metal gears (one metal-resin gear), Indirect Drive Long Life Potentiometer, High Standing torque rating, it is waterproof, and includes a heat treated metal servo arm. It weighs 5.68ozg and measures 2.32"x1.14"x2.04".

FEATURES:

• Triple ball bearings
• Water and dust tight
• Durable heavy-duty metal gears with one resin gear
• Comes with "S" servo plug installed
• Programmable digital amplifier
• MOS FET amplifier
• Super efficient heatsink
• Heat treated metal servo arm
• Gold plated contacts

• Length: 2.32"(59mm)
• Width:  1.14"(29mm)
• Height: 2.04"(52mm)
• Weight  5.68oz(161g)
• Operating speed:  .18 sec/60 degree at 4.8V
• Output torque:  208.30oz. in (15Kg.cm) at 4.8V