Worried that you won't be able to hear the doorbell when you're in the garden, garage, or basement? With Heath Zenith's wireless doorbell system, you can simply pick up the chime and take it with you (it plugs in to a standard polarized socket). To install, all you need to do is mount the doorbell and plug in the chime-no electrical installation is needed.
The volume of the chime is adjustable, and you can select one of three different chimes. You can also change the code settings (which allow the doorbell to communicate with the chime) to make sure your neighbor's wireless systems won't set of your chime. Note that the battery for the doorbell is included, along with all the mounting hardware you'll need.--Josh Dettweiler
What's in the Box
Plug-in doorbell chime, doorbell button/transmitter with battery, hardware pack
From the Manufacturer
The SL-6166 wireless door chime features an 8-note Westminster melody or a 2-note melody for the front entrance with adjustable volume control to suit varying sound needs. The wireless door chime kit includes a plug-in receiver and a battery operated push button (push button battery included) with up to 100-Feet transmission range between the chime receiver and push button.