1Built-in WIFI module, through the APP installed in the mobile device, users can open the door wherever they can access the Internet. 2It can be used as a traditional independent dual relay controller, used with any for Wiegand 26-37 bit output reader to control 2 doors. 3It can be connected via WiFi and supports mobile APP remote control. Open the door remotely in the home network or remotely open it anywhere, you can use your smart phone or tablet to access the Internet. 4Multiple access modes, card, card or PIN, card with PIN and multicard/PIN. Support main card function, support package main card. Can communicate with mobile phone via Wifi/GPRS. 5It can be connected to any keyboard reader with 4-digit, 8-digit (ASCII) or 10-digit virtual number to output. 2100 users can transmit user data. Item Type: DualRelay Control Board Material: ABS Plastic User Capacity: 2100 Zone 1: 2000 Zone 2: 100 Working Voltage: 9-24V DC Idle Current:1 xDualRelay Control Board 1 x Remote Control 1 x Screwdriver 1 x Installation Kit 2 x Master Card 1 x Instruction Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.