ARITECH aluminium magnetic contact, high power, floor mounting. opening 75mm. 2m shielded cable for doors and shutters, 2m cable, 4 wires. nc alarm / tamper contacts, certified, grade 2. maximum operating opening, 75mm. outdoor. magnet and contact dimensions: 89x38x38mm. compact size. wide operating distance. doors/shutters. stainless steel shielded cable. tamper loop included