This is REEFS RC 400SCv2 High Torque High Speed Digital Brushless Servo 0.07/435oz @ 8.4V
Features
Specifications
Connector Type: Universal
Maximum Servo Speed: 0.088 sec/60 sed @ 6.0V, 0.074 sec/60 deg @ 7.4V, 0.07 sec/60 deg @ 8.4V
Product Length: 1.6" (41 mm)
Programmable: Yes
Servo Size Category: Standard
Deadband: 2µs
Input Voltage: 4.8V ~ 8.4V
Product Height: 1" (25 mm)
Servo Type: Digital
Application: 1/10 - 1/8 Cars, Trucks
Gear Type: Metal
Bearing: Dual Ball Bearings
Bushing Or Bearing: Bearing
Product Weight: 2.0oz (56g)
Spline Count: 25 - Tooth
Water-Resistant: Yes
Servo Operating Voltage: 4.8 - 8.4V (HV)
Maximum Servo Torque: 350oz/in @ 6V, 405oz/in @ 7.4V, 435oz/in @ 8.4V
Product Width: 0.79" (20 mm)
*BEC Not Required, but recommended
*REEFS LINK required for Programming