New Waterproof Emergency Jail Telephone

New waterproof emergency jail telephone   P PRODUCT DESCRIPTION     OVERVIEW Product Name: automatic dial telephone  Product Type: JWAT123  Communication system: Switchboard  Defend Grade: IP54  Dimensions: 270 × 130 × 60  Material: Stainless steel 304+aluminum alloy  Color: stainless steel qualities + Grey  Electronic sample:   APPLICATION Suitable for inside prisons, labor camps, drug rehabilitation and other intercom, communication and other places which need monitoring.   FEATURES 1.The phone can be set with auto dialing when off hook.  2.The phone can form an independent telephone communication system with program-controlled switches and couplers.  3.The phone can be connected directly to the telecommunications network.  4.After the composition of the call system, each phone is an independent station. The malfunction of any phone doesn't affect the whole system work.  5. After the composition of the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity.  6.Telephone circuits within the integrated circuit using internationally accepted double-sided, with hair the exact number, call clarity, job stability, etc.  7.Stainless steel housing, high mechanical strength, strong impact.  Key parts of the handset and the hooks are both produced by our own company; Quality control strictly; After-sale reaction fast.   TECHNICAL PARAMETERS Signal voltage DC48V Standby operating current ≤1mA Frequency response 250~3000 Hz Ringing level ≥80dB Defend Grade IP54 Corrosion grade WF2 Ambient temperature -40~+60℃ Atmospheric pressure 80~110KPa Relative humidity ≤95% Lead hole 3-M20 Total Weight 2kg Installation Embedded /Wall mounted   INSTRUCTIONS 1. The caller take off-hook, automatically dial programmed number → callee's telephone rings. 2. The callee hears ringing → pick up the handset to answer the call, both sides under normal conversation. 3. At the end of the call, hang back the handset.   PRODUCT PICTURES   P Packaging & Shipping       C Company Information     COMPANY FILE             Ningbo Joiwo explosionproof  technology Co., LTD  was eastablished in May, 2011. With the advantages of our many years' experience in public telephones and industrial telephones, we enter industrial telephone field and registered Joiwo as our trademark. We develope and design all of our items and are applying patents for our new designs. Our products are widely used in manufacturing sites of steel, vessel, petroleum and chemistry etc.. waterproof grade of all of our telephones reaches IP66.      Our purpose is to provide high-qulaity products with competitive prices, to create development opportunity for our employees. We Joiwo belive efforts would be paid off! Superior-quality products and exceptional service help win customers. We are working on them to make Joiwo be the trust-worthy brand in this field.      The meaning of Joiwo is to bridge the gap of the world. We are willing to create a beautiful future of industrial telecommunication with others in the same trade. We belive the development of a line of business needs the joint effort of all traders in the same line. Only the line of this business developes well, each company has its space to develop.           F FAQ     1. What is your MOQ?     Our MOQ is 1 pc. 2. What is your fastest delivery time?     Our standard delivery time is 15 working days, but it depends the order quantity and our stock condition. 3. Are you a factory or foreign trade corporation?     We are a factory located in Ningbo Yuyao city. 4. Do you do OEM or ODM?      Yes, we do OEM and ODM. Customer's LOGO can be printed on our products. 5. Do you have the right of handling import and export?     Yes, we do.   Quality is our culture! Your satisfaction is our motivation! Contact us now! Mabel whatsapp: +8613858299831 skype: yyxlong06   R RECOMMENDED PRODUCT hosted waterproof ... vandalism explosio ... customized blue so ...