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Audio doorphone

Audio doorphone ZDL-3208DD
Manufacturer: TRest
Availability: In stock
Delivery date: Delivery within 3-5 business days

1. Two way intercom, one way call and lock function
2. Two wire connection
3. With a new ABS plastic, durable
4. Excellent consumer side of the tone circuit, intercom voice clarity
5. Effective distance of 300 meters above intercom
6. Easy installation easy use