Guardian Telecom DP70 Industrial Desk Phone Features: Water tolerant tissue layer papan ketik for included cleanliness and level of capacity fluids Heavy work mobile phone and cord Magnetic move with no going parts for prolonged life Encapsulated routine forums are resistant to water, exotic moisture and my own condensation Service heat range from -40 to +60 C (-40 to +140 F) Kydex 100 faceplate is 94V-0 flame slowing, resilient, impact-resistant and easy to clean Rotating the platform allows the desk-top phone to be wall structure mounted Electret disturbance decreasing microphone Volume modification and muting Ten-number storage, redial and recall Tone/pulse switchable (switch inside telephone) - preliminary configurations are set to develop prior to shipping.