Feature: 1. Multi Access Mode: Support multi access mode, support card, card or PIN, card with PIN and multi card PIN unlocking. 2. Multi Function: You can set a time limit for users, support external doorbell call notification, and add user doorbell call notification. 3. Strong Practicality: Easy installation, support wireless control, remote control, convenient for the use and management of different scenarios. 4. Wide Application: Suitable for all kinds of door locks and solves the compatibility problem between different access control systems. 5. Large Capacity: 1000 ultra large capacity user information storage, support administrator card and remote control operation, more convenient door opening. Specification: Item Type: Wireless Access Control SystemMaterial: ABSRemote Control Battery: Cr2032 Button Battery x 1 (not included) 12V DC Power Input Add Remove Users By App (Only For Cardholders) You Can Set A Time Limit For The User Temporary Password (One Time Or Periodic Code) Support For Checking Opening Records Remote Access (Support 3g/4g/5g) Temporary Code Wifi Connection User Information Transfer (Card/Pin User Valid) Add/User Doorbell Call Notification Multi Access Modes: Card, Card Or Pin, Card With Pin, And Multi Card, Pin Any Card Reader With Wiegand 26~37-Bit Input Can Be Connected Connect To 4-Bit, 8-Bit (Ascii) Or 10-Bit Virtual Keyboard Readers Support For Primary Card Functionality Support For Setting Up The Main Card One Relay, 1000 Users Wiegand 26~44, 56, 58-Bit Input External Alarms And Door Contacts Can Be Connected 500 App Users for Ios And for Android Are AvailableYou Can Set A Time Limit For The User Doorbell Call Notification (Support Exterior Doorbell). Package List: 1 x Controller1 x Remote Control1 x Permission Card2 x Instruction Manual1 x Screw Accessory Kit