Work: closed/locked (shut down), unlock (power on) Elastic compared to other similar products, suitable for doors weighing 0.5 to 4 kg Emergency release: built-in lock emergency release mode, supports manual emergency unlocking Energy saving: unlocks upon power activation in less than 1 second; minimal energy consumption when door is closed Durable: tested for 500,000 cycles at 10-second intervals; coil designed to never burn out Safety: 280 kg holding force, resistant to permanent deformation, with anti-vibration and tamper-resistant design Application: suitable for refrigerated cabinets, food distribution counters, logistics cabinets, mailboxes, cabinets, bookcases, meter boxes, wardrobes, vending machines, and more; widely used in schools, mines, factories, supermarkets, logistics centers, military facilities, prisons, courts, hotels, and bathroom centers Installation: compact design, no left/right or front/back orientation required, easy to install and replace; can be surface-mounted or embedded Size: 72 x 13.3 mm Material: metal Color: black Package Contents: 3 x Electromagnetic Lock 3 x Lock Catch Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.