This access control is standalone and designed for a single door. It can handle up to 1,000 users and connect to an external Wiegand 26-44 RFID reader or a touch memory reader. It has two manager cards and can be connected to any type of lock and exit button. Easy installation and use. Input voltage: DC 12V ± 20% Quiescent current: ≤ 17mA Wiegand 26-44 Touch memory reader: DS1990A Electric lock output current: ≤ 3A (relay output) User capacity: 1000 Unlock time: 1-128s Manager cards: 2 cards Communication distance with Wiegand reader: ≤ 100m Communication distance with touch memory reader: ≤ 15m Working temperature: -35-60℃ Maximum humidity: ≤ 90%, ROH Color: Green Material: ABS Type: A: Control panel Package contents: 1 x Access controller 1 x Reader 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 to be a little different from the real thing. The measurement allowed error is +/- 1 to 3 cm.