Corona DS-560WP is a fantastic standard servo. Comes with excellent features such as it is waterproof, has ball bearings and metal gears. Precise control and minimal dead-band width, they are an excellent choice. An excellent choice for cars and boats.

Features:
• Ball bearing
• Digital, with MOSFET Drive
• Metal gearing
• High Speed and High Torque
• Waterproof, great for cars and boats

Specs:
Corona Digital Servo DS-560WP Water Proof
Size: 41.8x20x40.8mm
Weight: 63.6g
Operating Voltage: 6V/7.4V
Operating Current: 300mA / 400mA
Operateing speed: 0.18sec.60º / 0.16sec.60º
Stall torque: 13kg.cm/15kg.cm
Dead brand: ≤3uSec
Operating speed: 40°/one side pulse traveling
Potentiometer: High Precision
Ball bearing: MR106/MR126
Gear: Metal
Connector wire length: 300mm
Operating Temperature Range: -20℃ to +60℃