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 unlocking in emergencies Energy saving: unlocks with power-on, 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: refrigerated cabinets, food distribution counters, logistics cabinets, mailboxes, cabinets, bookcases, meter boxes, wardrobes, vending machines, widely used in schools, mines, factories, supermarkets, logistics centers, military facilities, prisons, courts, hotels, restroom facilities, and other locations 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 structure Size: 72 x 13.3 mm Material: metal Color: black Package Contents: 3 x Electromagnetic Lock 3 x Lock Catch Only the above package content, other items not included Note: Light reflection and different displays may cause slight color variation between image and actual item. Measurement allows an error of +/- 1-3 cm.