Battery-Free Wireless Doorbell,Adjustable Volume,Waterproof for Classroom,Home,Office,Villa (Black)

Product description

【Battery-Free Design】A gentle press on the doorbell converts kinetic energy to electricity, transmitting a wireless signal that triggers the receiver’s chime. Eliminate battery replacement hassles while boosting sustainability.
【Ultra-Strong Wireless Connectivity】Boasts penetration through 4 walls and a 600ft wireless range in open areas—you get solid signal stability, even for large or multi-level hom
【IP68 Waterproof & All-Weather Durable】Engineered with an IP68 deep waterproof rating, it shrugs off rain, extreme cold, and scorching heat—built for year-round outdoor reliability.
【Colorful LED &6 Adjustable Modes】Synchronizes chimes with LED flashes to amplify visual cues, while a silent LED-only setting caters perfectly to sleeping infants or hearing-impaired individuals—delivering eye-catching visual alerts tailored to your preference.
【63 Built-in Chimes & 4-Level Volume (0-120dB)】Choose from 63 built-in tunes and tailor 4 volume levels to your liking—120dB max output ensures crystal-clear audio even in spacious homes.

Product summary

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