Lokza wa659 single wireless doorbellthe wa659 plug-in wireless door chime and push button makes it easy to replace your homes generic doorbell ring with a chime tune that better fits your individual style.Plugs into any standard wall outleteasy to install and operate, it plugs into any standard wall outlet. Use it for front, side, or back doors to gain security and peace of mind.4 volume levelsyoull be happy to know that you have the option of turning the chime down or up--a great option for different environment.820f operating rangethanks to its industry-leading 820-foot working range, youll be sure never to miss a visitors arrival no matter where you are..Choice of 32 chimesthis unit lets you choose the best way to be notified when someone is at your door. In addition to your choice of 32 selectable chime tunesflashing light indicatorthe flashing light indicator that gives you a visual form of notificationan excellent feature for the hearing impaired.Dependable operating rangethe wa659 has 64,000 available codes to prevent interference from other users.