This is the Savox SB-2290SG Black Edition Monster Torque Brushless Steel Gear High Voltage Servo. The Savox Monster Torque servo utilizes a unique brushless motor and controller technology to boost power up to 35% over previous generation servos. Up to 694 oz-in of torque! Specifications: Torque: 6V: 555.5 oz-in; 7.4V: 694.4 oz-in Speed: 6V: 0.16/60° sec; 7.4V: 0.13/60° sec Dimensions (L x W x H): 40.3x20.2x38.7mm Weight: 79.0g. The item "Savox SB-2290SG Black Edition Monster Torque Brushless Steel Gear Servo" is in sale since Tuesday, December 6, 2016.This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Control, Radio & Electronics\Servos & Servo Accessories". The seller is "amain" and is located in Chico, California. This item can be shipped worldwide.