Features: Automatic picture compensation. 4 x 8 Expansion Hub for OHSH611 or OHSH616. Telephone service for 4 lines with outputs to 8 locations. Expansion accessory for models OHSH611 or OHSH616. Expansion jack for multiple OHSH618 panels. Remote power for connected cameras. 110 punch-down and connectors. CAT-5 jumper cable included.