Savox SH-1290MG Digital Metal Gear Ultra Speed Tail Servo

Features: 

• Super High Resolution
• Water-Resistant w/4 silicone seals
• Coreless Motor provides high speed, incredible efficiency, and low power consumption
• The Aluminum Case design not only looks good but also allows for lower operating temperatures.
• Totally Green – from materials to production, these servos are environmentally friendly.
• Ideal as a rudder servo on 500, 600, and 700 class helis

Specifications:  

• Speed @ 6.0V: 0.04 sec/60°
• Torque @ 6.0V: 69 oz-in / 5 kg-cm
• Weight: 56.4g
• Type: Standard
• Gear: Metal
• Case: Aluminum Heatsink 
• Case Size (LxWxH): 40.3x20x37.2mm