Features: brand new and high quality PROFESSIONAL POWER-SUPPLY-CONTROLLER. This power supply for door access control is a transformer, providing stable output voltage for access controller, electric lock, and door access exit button. EASY TO INSTALL. This 208KD power supply control is made of high quality metal, with colling vent hole on the side of the device, sturdy and designed to last. Small size, saving space, compact and easier for you to install. GREAT WORKING PERFORMANCE. Set NC / NO outputs, can control various types of electric locks, Based delay control circuit, lock for time can be in 0-15 seconds. Widely used in the apartment, office building, hotel, stadium, school, hospital, warehouse, airport, etc. SAFE AND DURABLE. Short-circuit and overload for protection designed. Can control various types of electic gate lock, electric strike lock, electic bolt lock, magnetic lock. WIDE-APPLICATION. Available for variety kinds of building intercoms, villa doorbell, aparment doorphone, home video door phone controller, access a variety of import and export controls. Specifications: Material: Metal Rated Power: 50W Output Power: 60W Input Voltage: AC 110-240V Output Current: for DC 12V 5A Voltage Adjustable: 11.9V-13.9V Output Frequency: 50~60（HZ) Working Temperature: -20~+65℃ Size: Approx. 13.2x7.4x3.9cm/5.2x2.91x1.54in Weight: Approx. 395g Package Includes: 1 X 208KD Power Supply Control note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!