Check the listing for details. Paradox ACM12 4-Wire Access Control Module Genuine. Condition: New. Listed at 236.99 USD. 100% Genuine Product Retail Packing Shipping Worldwide by Registered Airmail with Tracking no. This product looks exactly like the picture. For all products of Paradox, please feel free to contact me and make an inquiry. I'd answer as quickly as possible. I hope for good cooperation. High-Security & Access Systems Paradox ACM12 4-Wire Access Control Module Genuine FeaturesTransformer Sharing: Use one transformer to power multiple modules that have this featureGrant access via card and/or panel access code with the R915Arm with card and pin with the R915Connections for 1 door (card reader, REX, door contact and lock output)Connect only 4 wires between the reader and ACM12 module when using a R910 or a R915 readerIn-field firmware upgradeable via CONV4USB and WinLoadAutomatic unlocking scheduleDoor Left Open and Door Forced Open optionsDoor unlock and extended delay timersUnlock door manually with button or PGM eventUnlock Door On Fire Alarm optionSafe Mode option (during a communication loss, the access control door connected to the module can grant access to up to 4 specified cards or any valid access card)Built-in supervised 1.5A switching power supplyPush button to activate or deactivate the Auxiliary outputSupports 4-wire and 26-bit Wiegand card readers Please do not leave negative or neutral feedback. If there's something wrong with the product, please contact me first, I am sure everything could be solved by communication.