Description _x000D_ This item is a digital servo steering gear for SG90, which adopts metal gear structures, featuring high-speed and stable. It fits for all kinds of R/C toys, not advise for big fixed-wing toys and big helicopter. _x000D_ _x000D_ Features _x000D_ Color: As the pictures shown. _x000D_ Material: ABS. _x000D_ Size: About 2.3 x 1.22 x2.9cm. _x000D_ Torsional moment: 1.6kg/cm. _x000D_ Working Voltage: 4.8V. _x000D_ Temperature range: 0 - 55. _x000D_ Rotation Angel180 _x000D_ Operating speed: 0.1 seconds /60 degree. _x000D_ Dead band width: 10 microseconds. _x000D_ Gear Medium: Nylon. _x000D_ Working Mode: Simulation. _x000D_ Brand new and high quality, durable to use. _x000D_ This is the most popular mini servo. Only weights 9 gram and gives you a 1.5kg.cm torque. _x000D_ Suitable for Beam type robot. _x000D_ Light weight and less Noise. _x000D_ Accessories IncludeSteering gearrocker armscrewetc _x000D_ _x000D_ Note: _x000D_ 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before your purchase. _x000D_ 2.The colors may have different as the difference display,pls understand.