Product Name: Battery-Free Wireless Doorbell | Self-Generating, Waterproof, Versatile Design Enhance your home or office with the innovative Battery-Free Wireless Doorbell, designed for convenience, durability, and versatility. This cutting-edge doorbell system offers a range of features that make it an ideal choice for any setting. Explore the benefits that set this doorbell apart: 2-for-1 Design This wireless doorbell features a two-for-one design, perfect for installation on both front and back doors. Choose from 38 different reminder tones and set individual corresponding ring tones for each door, personalizing your entry alerts. Self-Generating Technology The wireless doorbell button is entirely self-generating, requiring no wiring or batteries. This energy-saving design not only reduces environmental impact but also offers unparalleled convenience for users. IP68 Waterproof Rating Built to withstand the elements, the waterproof wireless doorbell boasts an IP68 waterproof rating. It is resistant to sunlight, sturdy, durable, and designed for a long service life, providing reliable performance in any weather. Strong Penetrating Power With strong penetrating power, this battery-free wireless doorbell supports through-the-wall use and long-distance signal transmission. This ensures that you receive alerts no matter where you are in your home or office. Loud and Adjustable Sound The self-generating doorbell features a loud volume, perfect for ensuring that the elderly or hearing-impaired can hear it easily. Additionally, it includes a key silent mode to avoid disturbances when needed. Multi-Purpose Functionality More than just a doorbell, this waterproof mini doorbell can also be used as a pager for babies, the elderly, pregnant women, and others. Its versatile design makes it a practical addition to any household or care facility. Choose our Battery-Free Wireless Doorbell for a reliable, versatile, and eco-friendly solution to your entry alert needs. With its robust features and user-friendly design, this doorbell is a smart investment for enhancing safety and convenience. Order now and experience the future of doorbell technology!