Wireless, battery operated doorbell button. For use with IQ America wireless door chimes only. Features a range of up to 300 feet depending on the chime used. Self-programming to eliminate interference from neighboring systems. Easy installation, no wiring required. Requires (1) CR2032 lithium battery, included. 1 inch wide x 2.75 inches high x 0.5 inch deep. Weighs 0.06 pound. 2 year warranty. No. WP-2012: Button Type: Wireless Push-Button, Finish: Polished Brass, Button Color: White, Design: Colonial, Voltage: 3V Battery, Mount: Surface, Pkg Qty: 1, Package Type: Clamshell No. WP-2024: Button Type: Wireless Push-Button, Finish: Satin Nickel, Button Color: White, Design: Colonial, Voltage: 3V Battery, Mount: Surface, Pkg Qty: 1, Package Type: Clamshell No. WP-3010: Button Type: Wireless Push-Button, Finish: White, Button Color: White, Design: Colonial, Voltage: 3V Battery, Mount: Surface, Pkg Qty: 1, Package Type: Clamshell