Smart, Self-Powered Wireless Doorbell with Ultra-Long Range and Five-to-One Calling, Battery-Free

Experience the next level of convenience with this innovative doorbell, designed to operate without batteries. Drawing power from the kinetic energy generated by pressing the button, it eliminates the need for regular battery replacements. Its ultra-long range ensures reliable performance throughout your entire property, providing seamless connectivity. Featuring a five-to-one calling capability, this doorbell allows for multiple receivers, making it perfect for larger homes or offices. Stay connected effortlessly with this sustainable and efficient solution for your entryway communication needs. 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