Ultra-lightweight and Powerful: The EMAX ES9052MD HV is an ultra-lightweight, powerful, and inexpensive choice of nano high voltage servo for your parkflyer and other lightweight applications. High Voltage Compatibility: It is able to run on voltages from 5V to 8.4V (2s LiPo) with plenty of torque and speed all across the board. Features: Digital Full metal gear train Coreless motor High voltage compatibility (5V to 8.4V) Specifications: Servo Type: Digital, Nano, High Voltage Gear Type: Metal Motor Type: Coreless Stall Torque: 0.85Kg-cm (11.9 oz-in) at 4.8V Speed: 0.06 sec/60° at 4.8V Operating Voltage: 5V - 8.4V (2s LiPo) Weight: 5.8 grams Dimensions: 22.00 x 11.80 x 29.00 mm (0.87 x 0.46 x 1.14 in) Output Connector: JR female Package Contents: 1x Emax ES9052MD HV High Voltage Servo