Waterproof, dustproof, adopts stainless steel casing, and the level reach IP65. The wire was made by Teflon, oil resistance, acid resistance and alkali resistance. Automatic dialing function: Press the emergency button, and it will automatically dial the designated number for you after 3 to 5 seconds.
Samskipti eru mikilvægur þáttur í öllum viðskiptum, hvort sem það er á milli starfsmanna, viðskiptavina eða viðskiptavina. Skilvirk samskipti geta bætt...