DIYmall 4 Sets 20kg DS3218 Large Torque Digital Servo 180 Degree with 25T Servo Arm Full Metal Gear RC Toys DIY Model for Baja Cars Waterproof

High precision metal gears with hard anodizing; CNC aluminum middle shell; waterproof rubber seal screws. Operating voltage: 4.8~6.8 DC Volts, Speed: 0.16 seconds/60°(5V)/0.14 seconds/60°(6.8V), Operating frequency: 180°(PWM 500~2500μs) This servo is waterproof (IP66) but will not function underwater. High performance digital standard servo compatible with all crawlers. Compatible models: tekno sct 410.3, ruster chassis, DHK maximus, TRX4, Gen 7 pro, etc. Item includes: 4x DS3218 digital servos + 4x 25T servo arms. DIYmall 4 Sets 20kg DS3218 Large Torque Digital Servo 180 Degree 25T Servo Arm Full Metal Gear RC Toy DIY Model Waterproof for Baja Cars explanation: High precision metal gear with hard alumite processing. CNC aluminum intermediate shell. waterproof rubber seal screw specification: Control system: PWM (pulse width change) Stall torque (5V): 19kg/cm (250oz/inch) Stall torque (6.8V): 45 lbs/cm (380 oz/in) Dead band: 3μs Speed: 0.16 seconds/60°(5V) / 0.14 seconds/60°(6.8V) Working voltage: 4.8~6.8 DCV. Motor type: DC motor Gear type: Copper & Aluminum. Operating frequency: 1520μs/333hz. Rotation direction: counterclockwise (for 500~2500μsec). Running degree: 180° (PWM 500~2500μsec). Waterproof performance: IP66 CE certification: Yes. Size: 40 x 20 x 40.5mm(1.5 x 0.8 x 4.6 inch) Package contents: DS3218 Digital Servo 20kg x 4 25T servo arm x 4