This is the Savox SW0241MG+ 1/5 Scale Waterproof Servo.

This is the Savox SW-0240MG "Super Speed" Waterproof Digital 1/5 Scale Servo. The SW-0240MG is a waterproof high torque, high speed 5th scale metal gear digital servo. This servo is high voltage capabe and features .17sec transit and 555oz-in torque @ 7.4V.

Features:

• Combines leading edge technology with super high 12 bit (4096) resolution
• Waterproof case design.
• The aluminum case design not only looks good but also allows for cooler and smoother operating temps
• Strong metal gear train for added durability
• Servos are totally green - from materials to production, these servos are environmentally friendly
• This servo is the perfect addition to your 5th scale truck or buggy

Specifications:
Dimensions (mm): 65.8x30.0x59.1mm
Weight (g): 200.0
Speed @6.0V: .21sec
Torque @6.0V: 416oz-in
Speed @7.4V: .17sec
Torque @ 7.4V: 555oz-in.
Gear Type: Metal
Bearings: 2 BB
Case: Aluminum Center
Spline: 15-Tooth