Honeywell RDWL311A Grey, White Doorbell (Grey, White, 80 dB, Wireless, AA, 24 Months, 7 cm)

No need for work on your home wiring, this portable wireless doorbell and push button is easy to set up and offers multiple customization options. Comes pre-installed with 4 melodies so you can select your favorite Robust wireless signal provides a range of up to 250 feet. Easy to set up and install with no wiring required. Portable design makes the series 3 portable wireless doorbell easy to install and set up, just use the wall-mount option or place it on a shelf or table. Requires 4 AA batteries that will last up to 2 years with typical use (not included). The button features an illuminated halo LED feedback. The button is weather resistant and surface mountable., Weight: 0.8 pounds, Manufacturer: Honeywell Home