Battery-Free Wireless Smart Doorbell with Ultra-Long Range and Self-Powered Alerts for Home Use

This innovative doorbell offers a seamless and eco-friendly solution for home security with its self-powered, battery-free design. Utilizing advanced wireless technology, the doorbell boasts an ultra-long range, ensuring reliable performance throughout large properties. Its smart alert system ensures you never miss a visitor, providing instant notifications without the need for frequent maintenance or battery replacements. Easy to install and suitable for various home environments, this doorbell merges convenience with sustainability, making it an ideal choice for modern households. Power supply mode: AC Voltage: 110-220 Ring: 60 songs to choose from, 5 volume levels adjustable to mute Scope of application: The straight-line distance to the vacant lot is 150 meters Manufacture country: China Instructions included: No