【Waterproof Outdoor Wireless Doorbell】: With an impressive range of 150 meters, this waterproof outdoor wireless doorbell allows you to stay connected with your home, no matter where you are on your property. 【38 Melodies to Choose From】: Personalize the ambiance of your home by choosing from a selection of 38 different melodies for your wireless chime. 【Protection】: Featuring a protection rating, this outdoor wireless doorbell is water and dust resistant, ensuring long-term durability and reliability, even in the harshest weather conditions. 【Adjustable Volume Levels】: Easily adjust the volume of your battery-free wireless doorbell to one of four available levels, ensuring you hear every ring clearly, no matter the distance. 【Ring Memory Function】: Thanks to its ringtone memory function, this smart doorbell remembers your last selection even after a power outage, ensuring a hassle-free user experience.