Features: Iron Body Material High quality ultra-compact electric lock. Rustproof, durable, safe, convenient to use. Suction which tightly sucks the iron, thus locking the door. Designed with the open frame type and mount board, high power. Easy to install for the electric door lock or other automatic door lock systems with the mounting board Applicable for being installed in the escape door or fire door electronic controlled system. Adopts the principle of electric magnetism, when the current through the silicon, the electromagnetic lock will achieve a strong. Package Includes: 1 x 1240-12V DC 12V 1.7A 20.6W 1kg Holding Solenoid for Electric Door Lock