Door Viewer 1.angled anti-theft alarm viewer 2.200,180 and 160 degree 3.door thickness:35-60mm 4.Brass/Stainless steel Door Viewerdoor peepholematerial: brasslens:glassangel:160 degree to 220 degreediameter:12 mm or 14mm or 16mm or 22mm or 28mm or clents' demandbore:16mm or 26mm or 28mm or 30mm or 35mm or 38mm, and so oncover :tail-hood or without tail-hooddoor thickness:35mm to 55mm or 40mm to 55mm or more thicknessfinishes: CP , PVD , PB , AB , AC , PVD or any other finishes