Work: closed / locked (shut down), unlock (power on)Elastic compared to other similar products, can be applied to 0.5 ~ 4Kg heavy door bounces Emergency release: body lock emergency release mode, can be used as an emergency unlocking function manual Energy saving: power on unlocking, time is less than 1 second, usually the door is not closed energy consumption : continuous 10 second test interval 500,000 times to that the coil never burn Safety: 280Kg Holding Force, it is not easy to produce significant permanent deformation, with anti-vibration, tamper design Application:Refrigerated cabinets, fresh food distribution counters, distribution logistics cabinets, letter boxes, cabinets, cabinets, cabinets, bookcases, meter boxes, cabinets, wardrobe, automatic machine sales, etc., widely used in schools, mines, factories, supermarkets, the logistics community, , troops, prisons, courts, hotels, bathroom centers and other places Installation:Small size, not left and right and the front and back to distinguish, easy to install replacement, both to be installed side of the wall can also be incorporated installation; size:72 x 13.3mm Material:metal colour:black Package Contents: 4 x Electromagnetic Lock 4 x Lock catch 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.