[4 Sets 25KG Digital RC Servo]--Operating Voltage: 4.8 - 6.8 DC Volts ; Stall Torque: 24.5 kg/cm at(5V) , 28kg/cm.at (6.8V) ; Speed : 0.16 sec/60°(5V) , 0.14 sec/60°(6.8V) . [High Quality and Performance ]-- DS3225 rc servo motor equipped with full metal gears,CNC aluminium middle shell,waterproof rubber sealed housing and stable chip. The main features are fast heat dissipation, high torque, compatibility and responsiveness. [Wide Application]--Programmable 25kg digital standard servo can be commonly used in robots, robotic arms, mountain bikes, and remote control toys. Also perfectly compatible with 1/8 1/10 baja crawler rc car buggy truggy ect. [Maximun Control Angle 270°]--The rotation angle is controlled by PWM ( (Pulse Width Modification) pulse signals. Its pulse width range is 500-2500μsec. High rotation - well controlled, 0-270° rotation, 360° rotation in case of power failure, ideal for robotic joint activities. [Package Includes]--4 X DS3225MG 25kg Digital RC Steering Servo 270 Degree ; 4 X25T Adjustable Servo Horn ; 4 X Accessories Bag. HOOYIJ 4 Pack 25KG Digital RC Servo DS3225 Waterproof High Torque Full Metal Gear RC Steering Servos Motor for 1/8 1/10 Scale Baja Crawler RC Car Buggy Truggy Truck Boat Plane Robot 270 Degree Description [High Quality and Performance ]-- DS3225 rc servo motor equipped with full metal gears,CNC aluminium middle shell,waterproof rubber sealed housing and stable chip. The main features are fast heat dissipation, high torque, compatibility and responsiveness. [Wide Application]--Programmable 25kg digital standard servo can be commonly used in robots, robotic arms, mountain bikes, and remote control toys. Also perfectly compatible with 1/8 1/10 baja crawler rc car buggy truggy ect. [Maximun Control Angle 270°]--The rotation angle is controlled by PWM pulse signals. Its pulse width range is 500-2500μsec. High rotation - well controlled, 0-270° rotation. 360° rotation in case of power failure, ideal for robotic joint activities. Sepcification: Model: DS3225MG Stall Torque (5V): 24.5kg/cm Stall Torque (6.8V): 28 kg/cm Dead band: 3μs Control Angle:270 Degree Pulse : 500us-2500us Speed : 0.16 sec/60°(5V) / 0.14 sec/60°(6.8V) Operating Voltage: 4.8 ~ 6.8 DC Volts Weight: 60 g (2.12 oz) Motor Type: DC Motor Gear Type: Copper & Aluminum Working frequence: 1520μs / 333hz CE Certification: Yes RoHs:Yes wire length:17.7inches(45cm) Size: 40 x 20 x 40.5 mm ( 1.58 x 0.79 x 1.60 in) Package Included: 4 X DS3225MG 25KG Digital RC Servo 270 Degree 4 X 25T Adjustable Metal Servo Arm 4 X Accessories Bag