The telephone can be integrated with a programmable exchange and coupler to form an independent communication system.

2. Directly connects to the telecommunications network.

3. After the communication system is assembled, each phone is an independent workstation, and a single failure does not affect the entire system's operation.

4. Once the call system is assembled, the product features automatic gain, ensuring voice volume remains consistent regardless of distance or the number of telephones in use.

5. Volume of the amplifying speaker is freely adjustable.

6. Phone case design: waterproof, dustproof, no need for a waterproof cover, aesthetically pleasing and practical.

7. The internal circuit of the telephone utilizes a general-purpose double-sided integrated circuit, featuring accurate dialing, clear conversation, and stable operation.

8. Engineering plastic housing, with excellent waterproof and dustproof properties, and strong corrosion resistance.

Phone stability is excellent, with strong anti-interference capabilities.

10. Our company manufactures the handles, hooks, and keyboards for critical components in-house, ensuring strict quality control and rapid response to after-sales feedback.

Suited for environments with special requirements for waterproofing, moisture resistance, dustproofing, and noise reduction, such as subway systems, ships, power plants, tunnels, ports, nuclear power stations, and steel companies.

Under normal use and no human damage, a one-year free warranty is provided.

2. Handles, hooks, and keyboards for our products are all self-manufactured by our company, with service parts available at any time.

3. Unified Customer Service Hotline: 400-118-2011.