Main Features: 12V DC power input One relay,1000 users Wiegand 26~44, 56, 58bits input Can connect with external alarm and door contact 500 APP users iOS and Android available Add / Delete users by APP ( Card users available only) Can set Time Restriction for users Temporary Password (One-time Or Period Code) Support checking Opening Record Remotely Access (Support 3G/4G/5G) Doorbell Call Notice (Support External Door Bell) Multi access modes: Card, Card or PIN, Card with PIN and multi Cards/PINs Can connect with any reader with Wiegand 26~37 bits input Can connect with any keypad reader with 4bits, 8bits (ASCII), or 10bits Virtual Support Master Card function Support set principal card Color: black Material: abs Package Contents: 1 x Controller 1 x Remote control 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.