Work: closed/locked (shut down), unlock (power on) Elastic compared to other similar products, suitable for doors weighing 0.5 to 4 kg with bounce adjustment Emergency release: built-in lock emergency release mode, supports manual emergency unlocking Energy saving: power-on unlocking, operation time less than 1 second, low energy consumption when door is closed Durable: tested for 500,000 cycles with 10-second intervals, coil designed to withstand prolonged use Safety: 280 kg holding force, resistant to permanent deformation, features 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 size, no left/right or front/back orientation required, easy to install and replace; can be mounted on wall or embedded; size: 72 x 13.3 mm Material: metal Color: black Package Contents: 3 x Electromagnetic Lock 3 x Lock Catch Note: Light reflection and different displays may cause slight color variations between the image and actual item. Measurement error allowance is +/- 1-3 cm.