DS3218 High Torque Metal Gear Digital Servo Water Resistant RC Servo 20kg 270 Degree Rotation RC Toys DIY Model for Baja Cars (Pack of 4 Sets)

Features: 270 degree, metal gear Working voltage: 4.8 ~ 6.8 DC volts Fit for: Techno SCT 410.3, Luster Chassis, DHK Maximus, TRX4, GEN 7 PRO, etc This servo is waterproof, but it can't work underwater What you get: 4pcs DS3218 digital servos and 4pcs 25T servo arms