Specifications: Voltage:9-30V DC Max Current:pin1#>pin2#>pin2#..... Add new user pins one by one New User Card 3>card1>card2>card3 #..... Add new user cards one by one New User Card by No. 3>10 bit No.1 #>10 bit No.2#.... Add new user cards by No. Remove User Pin 4>pin1 #>pin1 #>pin2 #>pin2 #.... Remove user pins one by one Remove User card 5>card1 #>card2 #>....... Remove user cards one by one Remove User card by No. 5>10 bits No.1 #>10 bits No.2#.... Remove user cards by No. Remove all 6444# Remove all users cards and pins Change Pins 7>old pin #>new pin#>New pin# Change an user pin to new Set Bundled cards 9>card1>card2>card3......# Max to 4 cards can be bundled.Unlock only all bundled cards were read Initialize Keep pressing “RESET” button Back to factory default Warming A.wrong card or pin code 5 times,alarm triggered. B.Alarms for 60 seconds. Wiring Diagram Standard accessories: 1 × Standalone access controller 2 x Cable 1 × Manual