elevator emergency sos telephone
Product Description
Characteristics:
1. Main body with whole aluminum alloy with stainless steel front plate.
2. Handset free, double loudspeaker, with indicator display while speaking.
3. Lightening protection to ITU-T K.21
4. One memory keypad. Illuminated buttons optional
5. Adjustable 7 minute timeout optional
6. Waterproof grade is IP65
7. Support hotline call, can realize ring off automatically by the receiver
8. The design is super thin and smart. Embed style and hanging style can be chosen.
9. Size:according to customer's request.
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