SMK-V and SMK-H have built-in 12V relay contacts which can be connected directly to either an electric strike or magnetic door lock. For the highest level of security and programming flexibility, SMK-V and SMK-H also have a built-in Wiegand-Out port which can be connected to most any access control panel (including ZKAccess C3 and InBio door controllers). SMK-V and SMK-H come standard with a built-in ZKAccess 125 KHz 26-bit RFID card reader. Mifare card reader option available. Features: IP65-rated vandal-proof metallic enclosure Standard ZK 125 kHz 26-bit card reader Relay outputs for electric lock and alarm Auxiliary inputs for door status sensor and exit switch Stores up to 1,000 cards Wiegand-Out port can connect SMK-V to most all 3rd party (and ZKAccess) access control panels Built-in speakers and LEDs provide users both audio and visual feedback