Size: 40.6mm*19.8mm*37.8mm Weight:55.2g Operating speed:0.20sec/60degree(6.0V) Stall torque:11.0kg/cm (6.0V) Temperature Range:-20 degree to 60 degree Dead band width:4ms Operating Voltage:4.8V~7.2V Structure Feature: 3 pole ferrite, dual ball bearing, 3 metal gears and 1 Resin metal gear, connector wire length: 32cm