Product features
1. Shell: cold-rolled steel shell, outdoor anti-UV powder coating, environmental protection, outdoor long exposure to the sun does not fade.
2. buzzer, circuit board, shell all accessories using multi-layer waterproof, dustproof structure, the whole machine protection level to reach the national standard IP66
3. equipped with digital physical keyboard, support full duplex intercom with any designated terminal
4. waterproof glue: using imported waterproof glue, high viscosity, high temperature and pressure resistance, waterproof life of 10 years or more.
5. wire: using Teflon wire, acid and alkali resistance, high and low temperature resistance, anti-aging, no fire
6. Support international standard SIP protocol, can be interconnected with most systems
7. with a key automatic dialing function and call time limit function
8. Support remote software upgrade, configuration and monitoring
9. Heavy duty earpiece with hearing aid compatible microphone, noise-canceling microphone.
10. Metal keyboard to maintain water and dust resistance.