This wireless battery operated doorbell kit includes 1 chime and 1 wireless push button. Wireless-battery operated 3 Selectable tunes Wireless push button included Adjustable volume 200 ft range Color/Finish Family: Multiple colors/finishes Manufacturer Color/Finish: Satin Nickel Type: Chime Chime Height (Inches): 5.75 Chime Width (Inches): 2.2 Batteries Included: Button batteries only (doorbell batteries sold separately) Button Material: Plastic Chime Material: Plastic Decibel Rating (Decibels): 85 Doorbell Extender Included: No Field of View (Degrees): 0 Mute Timer: No Night Light: No Number of Sound Selections: 6 Operating Range (Feet): 200 Power Source: Battery-operated Sound Type: Melody/Tune Volume Control: Yes Warranty: 1-year Bluetooth Compatibility: No Connectivity: Wireless Smart Compatible: No Wi-Fi Compatibility: No Works with Amazon Alexa: No Works with Android: No Works with Apple HomeKit: No Works with Insteon: No Works with iOS: No Works with SmartThings: No Works with the Google Assistant: No CA Residents: Prop 65 Warning(s): No Safety Listing: ETL safety listing UNSPSC: 46171600