update servo 20KG full metal gear 25T Servo Arm Digital Servo Waterproof for Mechanical arm Fittings baja Cars RC Cars,Control Angle 270

Description: High-precision metal gears with hard anodizing CNC aluminum middle Shell water proof rubber seals screws Specification: Stall Torque (5V): 19 kg/cm (263.8oz/in) Stall Torque (6.8V): 21.5 kg/cm (298.5 oz/in) Dead band: 3µs 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 Size: 40 x 20 x 40.5 mm ( 1.58 x 0.79 x 1.60 in) Package Includes: 1 X DS3218 Digital Servo 20KG 1 X 25T Servo Arm