This is the Savox SV-1273TG Plus Ultra Speed High Voltage Titanium Gear Digital Servo

"Plus" series servos feature Soft Start and Sanwa SSR compatibility.

Features:

• Super strong, precision made titanium gears provide durability that will survive heavy use.
• Capable of HV operation.
• Ideal for 1/10 buggies and some heli applications

Specifications:

• Torque @ 7.4V - 20.0kg/277.7oz-in
• Torque @ 8.4V - 25.0kg/347.2oz-in
• Speed @ 7.4V - 0.065 sec/60 deg
• Speed @ 8.4V - 0.055 sec/60 deg

• Operating Temperature: 14° - 122°F (-10° - 50°C)
• Running Current (no load): 120mA @6.0V, 150mA @7.4V
• Stall Current (at locked): 4000mA @6.0V, 5000mA @7.4V
• Idle Current: 5mA @4.8V, 5mA @6.0V
• Wire Length: 200 ± 5mm
• Output Gear Spline: 25 Tooth
• Operating Travel: 100° (1000 - 2000 µ second)
• Neutral Position: 1500 µ second
• Pulse Width Range: 800 - 2200 µ second
• Maximum Travel: Appx 130° (900 - 2100 µ second)
• Refresh Rate: 333 Hz
• Motor Type: Coreless

This in Taiwan based company is established at the market for many years and proves itself with servos for a fair price. The assortment contains all different fields of application from mini servos for helicopters to high end engines for bigger modells. Top pilots like Mirko Cesena trust in the reliability of these high quality servos.