Wireless Smart Music Doorbell with Dual Alerts and Long-Range Elderly Call Button - Battery-Free

Introducing an innovative doorbell that combines convenience and practicality with modern technology. This wireless smart music doorbell offers dual alerts, ensuring you'll never miss a visitor. Designed with a long-range call button specifically for elderly assistance, it provides an added layer of security and peace of mind. Remarkably, it operates without a battery, making it an eco-friendly choice. With a wide voltage range of 85 to 260 volts, it seamlessly integrates into various electrical systems for effortless installation. Experience a blend of melody, utility, and reliability with this exceptional doorbell solution. Power Supply Mode: AC Ring: 45 songs Power Consumption: 0.01MA Scope of Application: 150-200 meters Function: Learning Code Volume Selection: 4-speed adjustable (including silent mode) Manufacture country: China Instructions included: No

voltage: 85.000000 - 260.000000