Cast Aluminum Enclosure. Metallic Hookswitch. Volume control handset. Noise-canceling microphone. 15in. Armored Handset Cord. Extremely Vandal Resistant. Tamper resistant Hardware. Autodial: Programmed to automatically dial up to 31-digits when handset is taken off-hook. Extreme Operating Temperature Range -40 C (-40 F) to +60 C(+140 F). FCC & IC Certified UL60950 Listed. Keylock Door
Manufacturer:GAI-Tronics