Adjustable Volume This wireless doorbells has 4 pleasant ring tones to choose from. You can set a simple "ding-dong" sound or short music. With 5 adjustable volume levels from 0-110 dB, the sound is loud and clear so you can hear it no matter where you are. | Portable design Ditching the traditional wireless doorbells for home, the doorbell can be carried around to your dining room, garden, backyard and give you instructions whenever you have visitors. | IP55 Waterproof IP55 waterproof, designed specifically for outdoor usehearing impaired doorbell that functions between -4°F and 140°F, this doorbell can operate in even the harshest weather conditions. |