Align DS410M Digital Servo Fast speed with low noise and high torque. 4 level High strength metal gears, with high precision and durable structure characteristics Supports digital and analog control signal Powerful and precise servo suitable for T-Rex 250/450 CCPM cyclic use Stall torque (4.8/6.0V kg-cm): 1.8, 2.2kg.cm, Motion speed (4.8/6.0V sec/60 degree): 0.13, 0.09 Rating voltage:DC 4.8-6V, Temperature range:-20C~+60C, Dimension:22.8 x 12 x 25.4mm, Weight:13.3g, 1520s standard band