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Wireless battery operated doorbell for single door applications. Features 2-note melody chime. Self-programming to avoid interference with other systems. Chime box works with (3) AA batteries, not included, and wireless push-button works with (1) CR2032 lithium battery, which is included. 3.25 inches wide x 4.25 inches high x 1.5 inches deep. Weighs 0.5 pounds. 1 year warranty.
