Battery-Free Smart Wireless Doorbell - Self-Powered, Digital, Electronic with EU/US Specs

Experience the convenience of a smart doorbell without the need for batteries or wiring. This innovative wireless doorbell harnesses kinetic energy, making it self-powered and eco-friendly. Designed to meet both EU and US specifications, it ensures compatibility and reliability in different regions. Its digital interface offers an easy and seamless setup, while the modern design blends effortlessly with any home exterior. Enjoy crystal-clear chimes and efficient performance, enhancing your home security and convenience without the hassle of frequent maintenance. Power Supply Mode: AC Voltage: 110/220 Ring: 5-speed volume 60 songs (adjustable mute) Power Consumption: 1 Scope Of Application: Straight-line distance of 150 meters in the open space Manufacture country: China Instructions included: No