Specification: Dead band: 1s Working frequence: 1520s / 330hz Motor: coreless motor Operating Speed (6V): 0.11sec/60 Operating Speed (7.4V): 0.09sec/60 Stall Torque (6V): 13.1 kg.cm Stall Torque (7.4V): 15.9kg.cm Dimensions: 40.5X20.5X36mm /1.59X0.80X1.42in Weight: 73 g (2.57oz) Connector Wire Length: JR 265 mm (10.43in) Bearing: 2BBFeature:- High voltage- High performance programmable digital coreless standard servo- High-precision Taiwan-made steel gears with hard anodizing- Full CNC aluminium Shell structure- Dual ball bearings- Waterproof Package include:1x JX CLS-HV7315MG 15KG Servo