Wishiot TD-8120MG 20KG Digital Servo 270 Degree Waterproof Large Torque Metal Gear for DIY Robot Robotic Arm RC Model PWM 500µs-2500µs(Pack of 2pcs)

Specification parameter Storage Temperature Range:-30°C~80°C Operating Temperature Range:-25°C~70°C Temperature Range:-25°C~70°C Humidity Range:65%±10% Size:40.0*20.5*40.5mm Weight:56g±5% Gear type:5 Metal Limit angle:270° Bearing:2BB Horn gear spline:25T OD:5.9mm Horn type:Plastic, POM Case:Engineering plastics(PBT)+Aluminum alloy Connector wire:320mm±5mm Motor:Carbon brush motor Splash water resistance:No Operat voltage:4.8V-7.2V Idlecurrent:mA Noload speed:0.18sec/60°-0.14sec/60° Runnig current:210mA-260mA Peak stall torque:20.5kg.cm-22.8kg.cm Stall current:2100mA±10%-2700mA±10% Working voltage range:4.8-7.2V Command signal:Pulse width modification Amplifier type:Digital controller Pulse width range:500~2500usec Neutral position:1500usec Running degree:180°±3°(when 500~2500usec) Deadband width:5 usec Rotating direction:Counterclockwise (when 1000~2000usec)