Wireless Doorbell, Outdoor Waterproof Chime 150 Meters, 60 Melodies and 5 Volume Levels, Chime Kit with Plug-in Receivers, for Home, Office (Black)

60 SONGS, 5 VOLUME LEVELS: You can change the ringtone by pressing a button; this wireless doorbell has 60 melodious ringtones from around the world. It also comes with a flashing light. This product has five adjustable volume levels (including silent mode). The flashing light will always be on in silent mode to meet your different needs. 150-Meter Long Range Coverage: The doorbell has good signaling capabilities to penetrate walls. The wireless signal can be transmitted over a very long range of 150 meters (in open areas). The signal can completely cover your home and will not be easily disrupted by other devices. With Memory Function: This wireless doorbell automatically remembers your chosen volume and ringtone. It automatically starts up after being unplugged and turned on or off, and you don't need to reset it to your preference after restarting. Waterproof and Dustproof: Thanks to its waterproof and dustproof design, the wireless doorbell can also be used outdoors. The exterior is weather-resistant, high-quality, and energy-efficient. EASY TO INSTALL: The signal receiver has its own plug, making it more durable and convenient than battery-powered models. Simply plug it in and turn it on. It comes with double-sided tape and screws, allowing you to attach the transmitter (button) wherever you want to place it.