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main features and technical parameters intensity of tension>250kg; strong destruction resistancy good flame retardancy and hand feeling temperature: -30-+50℃ relative humidity: ≤95% atmospheric pressure: 80-110 kpa ambient noise: ≤60db ...
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main features highly antidestructive power traveling distance of key 0.45mm elasticity of key 2.5-3n contact resistance<100 Ω service life≥ 200 thousand key .material of face- plate : stainless steel character of the key's surfece : laser mark and a heavypainting main compon...
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main features highly antidestructive power traveling distance of key 0.45mm elasticity of key 2.5-3n contact resistance<100 Ω service life≥ 200 thousand key .material of face- plate : stainless steel character of the key's surfece : laser mark and a heavypainting main compon...
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main features highly antidestructive power traveling distance of key 0.45mm elasticity of key 2.5-3n contact resistance<100 Ω service life≥ 200 thousand key .material of face- plate : stainless steel character of the key's surfece : laser mark and a heavypainting main compon...
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specifications our this model telephone can be used in railway tunnel, subway, water plant, petrochemicals factory, pharmaceutical industry,iron and steel company,power plant port etc. , name: joiwo industries telephone set model: xl-jw size: 340*320*206(mm) function: waterproof ip54 explosio...
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product features: 1. the spherical ear plate is designed broadband headphone with a beautiful ap
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product features: 1. the headphone is broadband and spherical ear plate designed. 2. the newest noise reduction and line amplifier technology, and the combination of the pointed microphone head and static-free holding arm make the voice clear and clean. 3. the strengthened gooseneck metal makes t...
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product features: 1. the headphone is broadband and spherical ear plate designed. 2. the newest noise reduction and line amplifier technology, and the combination of the pointed microphone head and static-free holding arm make the voice clear and clean. 3. the strengthened metal gooseneck makes t...
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sales point: quad bands/ dual card/ 1 camera/fm radio/ bluetooth double card, mtk6253, support max 8gfour frequency: 850/900/1800/1900the high clear tft lcd 1.8 inchfm, mp3, bluetoth, camerahigh speed transmission bluetooth 2.0 standards max tf 8g support, size 97*54.5*12.9mm optional colors: bla...
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