Wireless Intercom Dual Voice Smart Bell 2‑Way Talk Home Security
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Feature: 1. Frequency of Doorbell is in line with the national regulations, will not produce harmful electromagnetic interference. 2. Battery take‑in and take‑out easily for outdoor machine, using 4pcs AAA batteries, and service life can up to four months, but the battery is not included. 3. The indoor machine doesn t need batteries, and it is connected with USB data cable. 4. Volume adjustable and ringtone changeable, the voice quality is clear and the speaker sound is loud. 5. Installed easily, can straightly stick doorbell to the wall with adhesive tape and less time consuming. 6. Using learning code to code, an outdoor machine support many indoor machines, non‑interference. Specification: Condition: Brand New Item Type: Doorbell Color:
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