SMART INDUSTRIAL TELEPHONE(WMHS-III) is a practical communication solution for people in different locations who need to stay in contact. These units are fully line powered and do not require an internal battery or external power source. They are designed for use in industrial locations and are ideal for noisy areas due to unique NOISE CANCELING FEATURE.INCOMING CALL:-ACCESSORIES AND OPTION:-External Loudringer/Flasher Unit.Color selection. ( subject to minimum quantities. )All other accessories are supplied as per specific requirements.VERSATILE APPLICATIONS:-Cement Plants.Paper Mills.Mines.Petrochemical Refineries.Chemical Plants.Construction Sites.Steel Plants.Spinning Yarns.Fertilizer Plants.Sugar Mills.ANY LARGE AND MEDIUM SCALE INDUSTRIAL UNITS.SMART CHOICE: -Simple Installation.Simple Operation.One piece waterproof non tactile keypad.Magnetic reed hook-switch reduces moving parts subject to wear.16 gauge rugged steel powder coated construction.Heavy industrial ABS handset & SS cord.Noise canceling microphone.A service temperature range from 0 to +60 o C.Encapsulated circuit boards impervious to water and condensation.Environment Protected.Single PCB design for plug n play operation.Easy troubleshooting insuring minimum downtime.External contact provided to ConNECT SMART EXTERNAL LOUD RINGER