The electric lock applicable for delivery locks, refrigerated cabinet, mail or newspaper box, self-service lock, book counter, changing clothes cabinet etc. Adopted steel plate for shell and carbon steel for inner material. Strong and safe to use. Features: The electric lock is mainly adopted carbon steel for inner material. Strong and safe to use. Security: latch hook can bear 150kg traction, 't obvious permanent deform permanently, shockproof, anti prying.c ompact, easy to install, no left, right, front, reverse side limitation, and allowing mechanical lash-up unlocking position. Application: Delivery Lockers, refrigerated cabinet, mail or newspaper box, Self-Service Locker, Book Counter, Changing Clothes Cabinet etc. : Condition: Material: Steel color:black Treatment: Plated Electrophoretic Paint (neutral frog experiment over 500hours) Work Mode: type (Power off and close the door-Locked; Power on-Unlocked) Electrical Parameters: DC 12V Working current: 2A Working mode: power on unlock / power off, close the door and lock Mechanical Life: In Designing Load Condition, about 500 000 times Electromagnet Life: In Rated Working Condition, more than 1 000 000 times Strength of Lock Hook: 150kg force (no permanent deformation) Ambient Temperature: -20~60 Description of the feedback signal line: The signal line produces a short-circuit signal. There is a small switch inside the electromagnetic lock. When the electromagnetic lock is locked, the signal line outputs a short circuit signal; when the electromagnetic lock is unlocked, the signal line is disconnected. Instructions for use: It is recommended to set the power- within 1-3 seconds. If the electromagnetic lock is energized for too long, the internal electromagnet will be damaged Package Contents: 5 x Electric Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.