Wireless Doorbell Kit with LED Indicator, Techip Remote Doorbell with 1 Push Button Transmitter & 1 Plug-in Receiver (1 Push Button & 1 Door Chime Black) Techip Remote Wireless Doorbell Chime---Sleek and Modern Design in Classic Color. 1 Push Button Transmitter with Screws and Double-sided Adhesive Tape for Installation. 1 Plug-in, No Batteries Required for Receiver. Up to 1000-feet Operating Range and LED Indicator Allow You to be Alerted Whether Youre Working Away in Your Home Office or Trying Out a New Recipe in Your Kitchen When Guests Come. 52 Chime Tones Allows You to Pick Your Favorite or Mix it Up Whenever You Like. You Can Even Pick Out Seasonal Tunes for The Holidays LED Indicator---The Receiver Will Flash with Blue Light, Which is Useful for Hearing Impaired Person Package Includes: 1 x Push Button, 1 x AC Chime, 2 x Screws, 2 x Anchors, 1 x Double-Sided Adhesive Tape, 1 x 12V A23 Battery, 1 x Instruction Manual