Battery-Free Wireless Doorbell with Ultra-Long Range & Waterproof Smart Pager for Elderly

Introducing a revolutionary doorbell system designed for convenience and reliability. This battery-free wireless doorbell offers an ultra-long range, ensuring you never miss a visitor, no matter where you are in your home. Its waterproof smart pager is ideal for the elderly, providing peace of mind with its easy-to-use features. Operating efficiently within a voltage range of 100 to 240 volts, this doorbell promises seamless integration into any household setting, ensuring dependable performance every time. Power Supply Mode: AC Ring: 60 songs to choose from, 5 volume levels adjustable to mute Scope Of Application: Open space unobstructed straight-line distance 300 meters Manufacture country: China Instructions included: No

voltage: 100.000000 - 240.000000