Smart Wireless Self-Powered Doorbell Switch for Home - Long Range, Two-to-One Ding-Dong Caller for the Elderly

The Smart Wireless Self-Powered Doorbell Switch is a user-friendly solution designed for home use, especially benefiting the elderly. This innovative device requires no batteries or external power source, offering hassle-free installation and maintenance. With its long-range capability, it ensures reliable performance throughout the house, providing a clear ding-dong sound to alert residents of visitors. This two-to-one system allows for easy operation, making it an ideal choice for enhancing home accessibility and convenience. 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