CLASSIC LOOK AND FEEL: Our Battery-Operated Wireless Door Chime Kit comes in a classic, elegant design that blends in seamlessly in your home. The compact white receiver is small enough to be portable. LOUD AND CLEAR: You'll hear the chimes clearly and distinctly every time. Our wireless ring doorbell has an effective sound range of 250 ft without obstructions and a 4-level adjustable volume. 32 MELODIES: Choose the ring chime that suits you. Our wireless doorbell for home and office comes preset with 32 bright tones. Thanks to the handy memory feature, it remembers the tone you picked. EASY TO INSTALL: Set it up effortlessly in minutes. The receiver has a handy keyhole for wall mounting or just lays on any surface. The doorbell push button comes with screws and double-sided tape, whichever you prefer. VERSATILE RINGER: You can use our wireless door bell at home, in the office reception area, in a warehouse, as part of classroom supplies to get students' attention, and more!