Dimension Weight Operating speed Stall torque Temperature Range Dead band width Operating Voltage Structure Feature 41mm*20mm*38mm 41G 0.20sec/60degree(4.8V) 0.16sec/60degree(6.0V) 5.2kg/cm (4.8V) 6.5kg/cm (6.0V) -20℃~60℃ 4ms 4.8V~6.0V 3 pole ferrite, all nylon gear. Top boll bearing, connector wire length: 32cm