Economic servo recomended for cyclic control on 300 class helicopters. 180mm long lead. Specification: Operating Voltage:4.8VDC-6.0V DC Operating Speed:0.17sec/60”ćat4.8V Output Torque:>1.0kgf.cm(14.0oz.in)at 4.8V Weigth:8.0g(0.28oz) Size:22.5x12.8x23.7mm(0.89x0.5x0.93in)