Feature: High performance HV digital standard servo High-precision Taiwan-made aluminium gears with hard anodizing Dual ball bearings Specification: Brand: JX servo Type: PDI-HV5523MGDead band: 2s Working frequence: 1520s / 330hz Operating Speed (6.0V): 0.18 sec/60 Operating Speed (8.4V): 0.16 sec/60 Stall Torque (6.0V): 19.2 kg.cm Stall Torque (8.4V): 23 kg.cm Dimensions: 40.5X20.2X38mm Weight: 55.6 g Connector Wire Length: JR 265 mm Bearing: 2BBPackaging Included:1X JX PDI-HV5523MG Servo