Sound and Light PA Phone
1. Robust aluminum alloy die-cast body, Vandal resistant and tamper-resistant hardware, and simple installation. Shell material is 1.5mm thick steel plate, ASB project is expected to handle, zinc alloy keypad, zinc alloy hook, rugged and durable, able to adapt to any harsh environment.
6. Magnetic reed hook switch .7. Noise-Canceling Microphone option is recommended for loud environments.8. Handset integrity wiring to enable the telephone system to check if the telephone unit is still operational. when calls in the warning lights turn on
6EN55022/EN55024/EN50121-3-
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