The subway SOS emergency telephone is made of stainless steel and it is equipped with a hands-free function with clear voice and a high-definition camera. The material protect telephone safe, and keep the communication normal. It’s suitable for emergency situation in any public area. The stainless steel panel also equipped with Braille to provide effective assistance to the visually impaired.
In today's world, effective communication is vital for businesses and organizations to operate smoothly. The communication network should be reliable...