Industrial Visible Emergency Telephone is made of Fiber-Reinforced Plastic. Uncovered design. It is an all-digital network radio and walkie-talkie. The core part adopts a mature VOIP solution with stable and reliable performance. The hands-free adopts digital full-duplex mode, and the voice is loud and clear. Clear conversations in high-noise environments. By dialing, one-key calls can be made to the emergency safety center, duty room, monitoring center, etc. The hands-free speaker output provides onboard 2.4W output or can be connected to a 4Ω3W through the built-in power amplifier board; equipped with a 2 million pixel high-definition camera, which can Provides one-way video calls.