Emergency Telephone Color Silver Material Stainless Steel Mounting Location Surface Product Type Emergency Call Boxes Features The Model 397-00xCB and 398-00xCB Telephones are Considered to be Type 3R Weatherproof Compliant when Installed Appropriately in Place of a Code Blue 6-Hole Emergency Telephone Minimum Operating Temperature -40 Degrees F Overall Depth 2 1/2 in Overall Height 11 3/4 in Overall Width 8 1/2 in Standards FCC IC UL/CSA