Features:1. It has durable Metal Gear,Dual Ball Bearing,Programmable Digital Amplifier with Mosft Drive.2. Bottom Side Axial Mount Hole, it is original factory product.3. Less Noise, Plug/Output wheel/Radio control system compatible with Futaba JR Hitec. Description:This high torque servo is a great part for remote control robot. Specifications:Brand:DsservoSize:40*20*40(servo) 64*55.6*20(Assembly the metal brackets size)Wire length:320mmSpeed: 0.13sec/60 degree at(5v) 0.12sec/60 degree at(6v) 0.11sec/60 degree at(7.4v)Torque: 29kg.cm.at(5v) -1.9A 32kg.cm.at(6v) -2.1A 35kg.cm.at(7.4v) -2.3AVoltage: 5v-7.4vDead Zoon setting:2 MicrosecondsRDS3235Type:180 degree, 270 degree(optional) Package Included:1*servoNotes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.