Power Source : Battery Sound Level : 85 DB Material : Plastic Color : Black/White Wired/Wireless : Wireless Dimensions : 4.21 In H X 3.03 In W X 1.1 In D Includes : (1) Wireless Push Button
Wired/Wireless : Wired Lighted/Unlighted : Lighted Material : Plastic Color : Hammered Black Mounting Type : Recessed Dimensions : 3.63 In H X 1 In W X 1 In D Suitable For : 16 V Hard Wired Doorbell Systems
Wired/Wireless : Wired Lighted/Unlighted : Lighted Material : Metal Color : Oil-Rubbed Bronze Mounting Type : Recessed Dimensions : 3 In H X 1-1/2 In W X 1 In D
Shape : Rectangular Power Source : Battery Material : Plastic Color : Black Wired/Wireless : Wireless Dimensions : 2.95 In H X 1.26 In W X 0.79 In D Mounting Type : Surface Includes : (1) CR2032 3 V Battery
Material : Metal Finish : Black/White Wired/Wireless : Wired Dimensions : 5.51 In H X 2.36 In W X 1.26 In D Mounting Type : Recessed Suitable For : All Heath Zenith Chime Systems Includes : Mounting Hardware