Description MKS HV1250 Coreless High Speed 8.2V Digital Servo Dead Band  0.0008ms (Default) Control System  Pulse Width Control Working Frequence  1520μs / 333hz (RX) Required Pulse  3.0~8.4 Volt Peak to Peak Square Wave Operating Voltage  4.8~8.4 V DC Volts Operating Temperature Range  -10 to 60 Degree C Operating Speed (7.4V)  0.061 sec/60° degrees at no load Operating Speed (8.4V)  0.054 sec/60° dagrees at no load Stall Torque (7.4V)  10.4 kg-cm (183 oz/in) Stall Torque (8.4V)  11 kg-cm (144.43 oz/in) Motor Type  Coreless Motor Potentiometer Drive  Direct Drive Driver Type  FET Bearing Type  Dual Ball Bearings Gear Type  Titanium Gears Programmable  NO Connector Wire Length  15.0 cm (5.9 in) Dimensions  40X20X37 mm Weight  57.70 g ( 2.03oz) See additional images for dimensions. Note: All Standard and mini servos except the X8 range (HBL380, HBL850, HBL880) use a 6mm 25tooth spline, same as Futaba. Micro and wing servos all use a MKS 5mm spline.SKU  MKS-HV1250