The Honeywell RCWL210A Portable Wireless Door Chime and Push Button is a readily available and intuitive door chime that's incredibly easy to use. Straight from the package; the simple addition of batteries will you have one step closer to enjoying all of the wonderful features included with the RCWL210A. This door chime is completely portable and features a sleek and contemporary design that can be utilized in any number of rooms. This chime makes an excellent addition for the kitchen; media room; deck or anywhere else you have in mind. Equipped with 4 tunes and the added bonus of being able to adjust your selection's volume and operation modes from the base; the RCWL210A features CD quality sound and a 150' operating range. A flashing light indicator has been utilized to perfection and is ideal for those times when you do not wish to be disturbed by your door's chime. Additional incentives such as low battery displays and a self learning memory system make this a truly intuitive product. An additional 4 push buttons can be programmed to work with this chime and allow for multiple entrance notifications.