2pcs Digital Servo 25kg High Torque 180° Stainless Steel Gear Servo for 1/8 1/10 Remote Control Car with 25T Servo Arm Features: Performance: With anti blocking and anti burning conservation function, with waterproof function. CNC precision gear, it is more wear-resistant and not easy to break and sweep teeth. Stainless steel gear high torque for remote control car, crawler and robot. Great choice for university professors and students who are interested in developing software for robot parts. If there are any problems, please contact our store in time. Specifications: Item: 25KG Digital Servo Gear Type: Stainless Steel Gear Bearing: 2BB Horn Gear Spline: 25T   Diameter: 5.9mm Horn Type: Plastic, POM Case: Engineering Plastics(PBT)+Aluminum Alloy Connector Wire: 320mm±5mm Motor: Carbon Brush Motor Size: 54*42.8*20mm Weight: 56g±2g  Electrical Specification: 1.Operat Voltage: 4.8V - 7.2V 2. No Load Speed: 0.18sec/60° -  0.14sec/60° 3. Running Current: 140mA - 200mA 4.Peak Stall Torque: 23.5kg.cm-26.8kg.cm 5.Stall Current: 2600mA±10% -  3400mA±10% 6.Working Voltage Range:  4.8 - 7.2V    Control Specification: 1. Command Signal: Pulse Width Modification 2. Amplifier Type: Digital Controller 3. Pulse Width Range: 500～2500usec 4. Neutral Position: 1500usec 5. Running Degree: 180°±3°(when 500～2500usec) 6. Dead Band Width: 5 usec 7. Rotating Direction Counterclockwise: (When 1000～2000usec) Package Information: Package Size: 6.5*5.5*3cm Package Weight: 126g Plastic Package Package List: 2* 25KG Digital Servo 2* 25T Servo Arm 1* Other Parts