TCP/IP One 1 Door 20k Users 100k Events Power Supply Iron Box Access Controller Max Users Quantity: 20,000 Communications:TCP/IP 10M/100MSelf-adaptive Description:1doors,Card enter,Button exit Acceptable Card Readers' Format:Wiegand 26bit or 34bit(optional by hardware switch,default is 26bit) Note The item is located at Pico Rivera, California, 90660, United States and can be handled in 1 business day.