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: power-on unlocking, operation time less than 1 second, no 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 size, no left/right or front/back orientation required, easy to install and replace; can be mounted on wall side or integrated into the structure Size: 72 x 13.3 mm Material: metal Color: black Package Contents: 3 x Electromagnetic Lock 3 x Lock Catch Only the above items included; other products not included Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement error allowed is +/- 1-3 cm