Self-Powered Wireless Doorbell - Battery-Free, Long Range, Smart Caller for Elderly.

Experience a revolution in home alert systems with this innovative doorbell that operates without the need for traditional batteries. Its self-powered technology harnesses energy efficiently, ensuring continuous operation and eliminating the hassle of frequent battery changes. With its impressive long-range capabilities, it ensures clear, reliable communication even across extended distances. Specifically designed to assist the elderly, this smart doorbell features an easy-to-use interface and customizable alerts to provide added convenience and peace of mind. Effortless installation and maintenance make it a practical choice for any household. Power Supply Mode: AC Voltage: 110-220 Ring: 60 songs to choose from, 5 volume levels adjustable to light only Power Consumption: 1 Scope of Application: Straight-line unobstructed distance of the vacant land is 150 meters Manufacture country: China Instructions included: No