Product features AC input: standard AC220V / 50Hz DC output: standard 12V / 5A Dimensions: 222mm × 222mm × 83mm Weight: 2580g Application: building intercom, access to a variety of access control, particularly suitable for a variety of electronic control Lock Features: 1, direct control electric locks, access control can reduce the load and save project wiring, reducing failure risks 2, set NC / NO outputs, can control various types of electric locks 3. Set time delay control circuit, lock time can vary from 0 to 15 seconds 4, set open button input, can directly open the electric lock 5, when the power short circuit accident occurs, the power is automatically disconnected or the fuse wire, with automatic protection function 6, an external battery can continue to supply power outage