Lumizone Extra Tall Cat Gate 61.02" High Pressure Mounted Adjustable Width 46.65" 50.78" Black BM02 CONDITION:New Battery Backup Supplies power long Manufacturer Cisco Battery Backup Supplies power long enough for equipment to properly shut down when utility power fails We Strongly Recommend That You Clean The Air Filter Every Two Weeks According To The Instructions In The Manual For Better Performance the double locking mechanism provides extra security by preventing pets or children from opening the gate on their own The gate features an auto close function that automatically shuts the gate when opened less than 90°