WinBridge Wireless Doorbell, Battery-Free Self-Powered Door Bell with 38 Melodies, 50-110dB Volume, 150m Long Range, Expandable Multi-Pairing, Easy Plug-in Installation for Home, Office WD001

WinBridge Self-Powered Wireless Doorbell – Smart, Green, and All-Round Home Alert Solution Elevate your home’s convenience and security with the WinBridge Self-Powered Wireless Doorbell. Designed for modern households, this innovative doorbell eliminates the hassle of battery changes and messy wiring, offering a truly maintenance-free solution. Why Choose WinBridge Doorbell? Self-Powered Innovation: The transmitter harnesses energy from a single press, so you’ll never need to buy or replace batteries. It’s not only cost-effective but also reduces electronic waste, aligning with eco-friendly living. Sleek & Practical Design: Featuring a modern square receiver and compact oval transmitter, the doorbell blends seamlessly with any home, office, or apartment decor. The compact size ensures it doesn’t clutter your space. Easy Installation for Everyone: Set up in 2 minutes! Stick the transmitter to your doorframe, wall, or any surface with the included adhesive; plug the receiver into a standard wall socket—no professional help needed. Personalized Alerts: With 38 unique ringtones and 50-110dB adjustable volume, you can customize the alert to your preference. Whether it’s a quiet home or a busy office, the volume adapts perfectly. Long-Range & Reliable: 433MHz RF technology delivers a stable signal up to 150 meters (open area), ensuring clear sound even through thick walls or multiple floors. Ideal for large homes, villas, and offices. Expandable System: Support multi-device pairing—connect up to 5 transmitters to 1 receiver (for multiple doors) or 1 transmitter to 5 receivers (for whole-house coverage). Maximize coverage for your entire property! Package Includes: 1 x Self-Powered Transmitter, 1 x Plug-In Receiver, 1 x Adhesive Sticker, 1 x Mounting Accessories Kit.

• 100% Battery-Free & Eco-Friendly：The transmitter generates power via simple pressing, eliminating battery replacement needs. It’s green, cost-saving, and environmentally friendly, perfect for sustainable living.
• Hassle-Free Plug & Play Installation：No wiring, drilling, or tools required. The wireless transmitter mounts anywhere with included adhesive tape; the receiver plugs directly into any standard US AC outlet for instant use.
• Customizable Alert System：Choose from 38 distinct ringtones and adjust volume (50-110dB) to match your home/office environment. Never miss a visitor with clear, adjustable alerts.
• 150m Long-Range Stable Signal：Equipped with 433MHz RF technology, the doorbell ensures a reliable connection up to 150 meters in open areas, with strong wall penetration for multi-floor homes and large offices.
• Expandable Multi-Pairing Flexibility：Supports pairing 1 transmitter with up to 5 receivers or 1 receiver with 5 transmitters. Build a comprehensive alert network to cover every corner of your property.