Discount offer is available if purchased along with our DCCDPro Spiider (Universal) or Spiider Plus (Universal Plus) Controller. Please visit the Spiider/Spiider Plus product pages for discounted combo pricing:

Spiider: https://www.dccdpro.com/product/dccdpro-universal-controller-spiider/
Spiider Plus: https://www.dccdpro.com/product/dccd-spiider-plus/