Fangrui Product Details This Access Control Is Standalone Access Control Which Designed For Single Door. Support 1000 Users And Could Connect To External Wiegand 26-44 Rfid Reader Or Touch Memory Reader. It Has Two Manager Cards And Could Connect To Any Kinds Of Locks And Exit Button. Easy Installation And Operation. Input Voltage: Dc12v Quiescent Current: 7ma Touch Memory Reader:ds1990a Electric Lock Output Current: A (relay Output) User Capacity:1000 Unlock Time: 1~128s Manager Cards: 2 Cards Communication Distance To Wiegand Reader: 00m Communication Distance To Touch Memory Reader: 5m Operating Temperature: -35~60max Humidity: ,roh Colour:blue Material:plastic Package Contents: 1 X Access Control Module Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.