brand new and high quality Features: Made of high quality material, solid, durable and good performance. Anodized surface for good heat dissipation, enhance for shell hardness, ensure that servo motor can work well. Multi-ply waterproof to meed different working conditions. Adopts import roller bearing and metal gear, high precision, low noise and smooth rotation. Built-in import potentiometer (Its life is over 1 million times rotation), precise localization. Host IC use advanced ASIC for signal processing, with higher resolution, quick response, strong torque and smooth rotation angle. Suitable for RC Crawler Car, Boat, helicopter model DIY, etc.. Programmer only, other accessories demo in the picture is not included! Specification: Optional Model: TD-8120/TD-8125/TD-8130MG Material: Plastic, Electronic Components Optional Angle: 180/270/360 Size: app.4 x 2.05 x 4.05cm/1.57 x 0.for 81 x 1.59in Color: Red and Black Quantity: 1 Set TD-8120MG: Working Voltage: 4.8-7.4V Locked-rotor Current: 2400mA/4.8V; 3100mA/7.4V Locked-rotor Torque: 19.8KG.for cm/4.8V; 23.6KG.for cm/7.4V Control Mode: PWM Control Signal: 0.5-2.5ms Dead Zone Signal: 5US Rotation Speed: 0.25S/60/4.8V; 0.14S/60/7.4V TD-8125MG: Working Voltage: 4.8-7.2V Locked-rotor Current: 2600mA10%; 3400mA10% Locked-rotor Torque: 23.5KG.for cm/4.8V; 26.8KG.for cm/7.2V Control Mode: PWM Control Signal: Pulse width modification Dead Zone Signal: 5US No Load Rotation Speed: 0.18S/60/4.8V; 0.14S/60/7.2V TD-8130MG: Working Voltage: 4.8-7.2V Locked-rotor Current: 2600mA10%; 3400mA10% Locked-rotor Torque: 28.5KG.for cm/4.8V; 33.8KG.for cm/7.2V Control Mode: PWM Control Signal: Pulse width modification Dead Zone Signal: 5US No Load Rotation Speed: 0.22S/60/4.8V; 0.16S/60/7.2V Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Digital Servo 1 set x Parts