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You must use alkaline batteries (not included). but more like a 150-foot range is realistic. In real world testing, we’d say this monitor works well in most average-size homes. VTech claims a 1000 foot range-which we suppose would be the case if you were out in a corn field. At night, it should be plugged in to be most effective. But we suggest using the battery only sparingly. yes, that is a far cry from the maker’s claim of 20 hours.
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You can “see” the baby crying, if you turn down the audio (helpful at night). We’re not sure what causes those cases of interference. Yes, we see a small minority of complaints about “white noise” coming from this monitor. However, let us point out that ALL baby monitors can suffer from interference (microwaves, WiFi routers, cell phones, etc.). basically, that keeps the monitor static-free.
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Best Budget-Friendly: VTech DM111 Audio Baby Monitor
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