iKKEGOL Wireless Doorbell, Cordless Music Door Set, Digital Door Bell 328 Feet Range 36 Tune Sound Chimes Waterproof WIRELESS: No wire required, water proof and easy to install. This digital doorbell set is by far the most practical choice for your home and business, is absolutely wireless, and installation literally takes one second and requires no tools-just with a provided double sided adhesive sticker REMOTE DISTANCE: Remote control range up to 100 meters 328 feet in open space, suitable for home or high floor house,apartments or single-story homes ADJUSTABLE VOLUME 36 CHIMES: Designed for flexibility and utility, you can hear their chime no matter where you are. What's more, it features 5 different settings of adjustable volume, as well as 36 amazing chimes ringtones to choose from! RED AND BLUE LED FLASH: Flash light on when visitor pressing the remote button,Blue and Red LED flash indicator is perfect for the hearing impaired DURABLE: The doorbell is stylish, elegant and have a modern look, perfect for any home and business setting