Battery-Free Digital Wireless Smart Doorbell - Self-Powered Button for EU/US Specs

Experience a revolutionary upgrade to your home's entryway with this digital wireless smart doorbell. It features a self-powered button, eliminating the need for batteries and ensuring continuous operation without maintenance. Designed to meet both EU and US standards, this doorbell offers seamless integration into any modern household. Easily install the sleek, user-friendly unit and enjoy optimal wireless performance and convenience. With its advanced technology, you can receive instant notifications whenever someone arrives, offering enhanced security and peace of mind. Power Supply Mode: AC Voltage: 110-220 Ring: 5-speed volume, 60 songs, can distinguish directions, with mute function Scope of Application: Straight line distance on open ground: 300 meters (factory test data) Manufacture country: China Instructions included: No