Click to expand Tap to zoom VICON SECURITY TIER UPGRADE FOR VALERUS SOFTWARE VLR-CORE-PRO by Vicon Security SKU VLR-CORE-PRO 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to Quote TIER UPGRADE FOR VALERUS SOFTWARE; from CORE to PRO; third party devices; when purchased with current UPP; per device