Model Number: JR103-FK-HAs a weatherproof telephone, it is fully contained within a corrosion resistant cast aluminium weatherproof case, resulting in a highly reliable product with a long MTBF. Equiped with hron, can broadcast remotely for notification, hron works after 1-9 rings (adjustable), shut when handset lifted or call finished.Ideal for Metro, Railway, Highway side, Marine, Mining, Tunnels, Steel Plant,Chemical plant,Power plant and related industrial application, etc.FEATURESStandard Analogue phoneRobust construction, Vandal resistantWith horn for broardcasting, loudness of sound can be 110~120 DBAll weather protection IP66-IP67Tamper resistant fixingsSimple installationFast-fit terminal connectionVarious mounting option spointer Full KeypadCan be programmed remotely by tone phone or locally via keypadNon-volatile memoryTelephone line poweredWeatherproof and corrosion resistant handsetStainless steel armoured handset cordCE, FCC compliantTECHNICAL SPECIFICATIONS Temperature Operating: -30°C to +65°C  Storing: -40°C to +75°C Ringing Tone Shrill warble tone 80 dBA @ 1 metre typical  M.T.B.F. Calculated to have an M.T.B.F. in excess of 50,000 hours using Dialing MF (tone)  Lightning / Transients Protection to ITU-T k.21 enhanced levels