{"title":"Doorbell","description":"","products":[{"product_id":"doorbell-wireless-1v1-home-nursing-home-water-proof-long-distance-remote-control-no-camera-no-battery-free-wiring-free-plug-in","title":"Doorbell Self-powered Wireless 1V1 Home Nursing Home Water-Proof Long-Distance Remote Control  No Camera No Battery Free Wiring Free Plug-In","description":"\u003cp\u003e\u003cstrong\u003eWe only do wholesale, please contact us for a quotation.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThe transmitter is self-powered and requires no battery replacement, reducing the burden of daily use; the fully waterproof unit withstands outdoor wind, rain and humidity, extending the service life of the device and adapting to multi-scenario installation needs; it adopts a no-drilling, no-wiring design with extremely simple installation steps, allowing the elderly to complete the installation independently without troubling their children; equipped with 433MHz wireless transmission technology, it delivers zero signal attenuation through walls and floors, realizes full-home signal coverage, and avoids missed visitor reminders. 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