Ultra-Long Range Wireless Doorbell with Remote Entry Control and One-to-One Call Button for Home, Elderly, and Patients

Experience unparalleled convenience and security with this advanced wireless doorbell system. Designed for homes, the elderly, and patients, it offers an ultra-long range for seamless communication and door entry control. The system includes a one-to-one call button, ensuring direct and private communication. Operating at a voltage range of 100 to 240 volts, it is versatile and compatible with various electrical systems. Enhance your home's accessibility and peace of mind with this user-friendly solution. Power supply mode: AC Ring: 60 songs, 5 volume levels Scope of application: 300 meters straight-line distance on the open space Manufacture country: China Instructions included: No

voltage: 100.000000 - 240.000000