This access control is standalone access control which designed compatible with 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±20%Quiescent current: less than equal 17mAWiegand 26-44Touch memory reader:DS1990AElectric lock output current: less than equal 3A (Relay output)User Capacity:1000Unlock time: 1-128sManager cards: 2 cardsCommunication distance to Wiegand reader: less than equal 100mCommunication distance to Touch memory reader: less than equal 15mOperating temperature: -35-60℃Max humidity: less than equal 90%,ROHColour:GreenMaterial:ABSType: C:SCR03DPackage Contents:1x access controller1x readerOnly 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.