No Need wires from Access Controller to Keypad to Exit Push button> User Capacity: 500users support RFID+Pincode> Communication Frequency: 2.4G> Mini Controller: DC12V> Wireless Keypad: 3units of AAA batteries> Wireless Exit Button: 2023 Lithium battery> Communication distance 15M Maximum

> User Capacity: 500users support RFID+Pincode> Communication Frequency: 2.4G> Mini Controller: DC12V> Wireless Keypad: 3units of AAA batteries> Wireless Exit Button: 2023 Lithium battery> Communication distance 15M Maximum

>Stable and secure with over load, over current, over voltage, short circuit protection.>The door opening delay is adjustable from 0-15S.>220V AC input voltage.