Click to expand Tap to zoom VICON SECURITY VALERUS PRO LICENSE ADD-ON VLR-PRO-LIC-ADD by Vicon Security SKU VLR-PRO-LIC-ADD 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to Quote VALERUS PRO LICENSE ADD-ON; single edge device license to add on to existing license; for use with third party cameras/encoders including the VLR-ENC-16