Introducing the Defiant Wireless Push Doorbell Button, a sleek and versatile solution that effortlessly combines convenience with modern design. Operated by a A23 battery (included), it is compatible with all Defiant wireless doorbell chimes, while the surface-mount design ensures easy placement on almost any wall or flat surface area - offering true flexibility. With a total length of 2.56" and a distance between screw holes measuring 1.38", it is designed for optimal functionality. Backed by a 3-year limited manufacturer's warranty, this wireless push doorbell offers reliability and peace of mind. Enjoy a 150-ft transmission range, making it ideal for larger homes or work settings, ensuring you hear the doorbell ring from a distance. Perfect for apartments or renters, this battery-operated, wireless doorbell button eliminates the need for any form of hardwire installation, providing a hassle-free and stylish solution to enhance your house's entrance. Color: Black.