Usage: The electronic lock must be used with an additional control circuit. This lock is widely used in storage cabinets, mailboxes, logistics cabinets, filing cabinets, vending machines, shoe cabinets, etc. Usually used in schools, community service stations, hotels, factories, supermarkets and other places.Material: The outer shell is made of steel plate, and the inner parts are made of carbon steel.Dimensions : 72 x 65 x 13mm. Electrical parameters: DC 12V, 2A; the duration of a single unlock signal does not exceed 0.2 seconds (to prevent damage to the electromagnet).Design: The lock's working mode is that it is not energized when it is locked, and the door is opened after being energized.Product life: under normal use, no less than 500,000 times.