Discover the convenience of the Trine 233 Wireless Plug-In Chime, a must-have for any modern home. This device effortlessly plugs into any 120V AC outlet, ensuring easy installation without the need for complex wiring. Choose from three selectable tunes, including 8-note and 2-note options, to personalize your door chime experience. With an impressive operating range of up to 150 feet, you can hear your doorbell from anywhere in your home. The package includes an A-23 battery, and the product is both UL recognized and FCC-IC approved for safety and quality assurance. Enhance your home's functionality and security today!