secondary planet linear actuator Compatible with all dise qc1.2 receivers; Drive dish up to 1.2m at very high speed; Quick installation by only one coaxial cable; Water resistant manual east/west buttons for easy installation; Two Led indicators for monitoring the motor operation; Diseqc 1.3/go to x Functions compatible; Smart soft ware Achieves very high; Compact mechanism and patened zero backlash desigh water resistant manual; Ultra low noise and low current motor/gear box;