... ,60-70mm 2.Metal housing: Alloy-Zn,for
Roller Doors 3. Color:Grey Magnetic door contact switch with ... 60 to 70mm Operating Distance, Suitable for
Roller DoorsHousing material: metal case with zinc-alloyWire leads: ... 20mmL stand: 50 x 50mmSuitable for
roller doors, L stand can adjust the gapPacking:
magnetic door contact switch
Roller Door with bracket 5C-61L CE FCC