Supvox Door Bell for Home Electrical Self-Powered Battery Free Wireless Door Bell Waterproof IP44 Ding Dong Bell with Catching Eye 7 Colors Flash Light Smart Door Bells 38 Ringtones 5 Level Volume Life Jacket You'll never had an issue

You'll never had an issue with this belt feeling constricting or coming undone while you move

Constructed from eco-friendly ABS plastic and silicone for a safe

you may need 2-3 door closer on door to get visible effect

The base size is 13''*7

Supvox Door Bell for Home Electrical Self-Powered Battery Free Wireless Door Bell Waterproof IP44 Ding Dong Bell with Catching Eye 7 Colors Flash Light Smart Door Bells 38 Ringtones 5 Level Volume Life Jacket You'll never had an issue[CATCHING EYE 7 COLORS FLASH LIGHT]: The smart doorbell with 7 colors changing flashing light indicators are easy for people to notice, including the hearing impaired. Once press the transmitter the receiver will ringing music and flashing light with 7 colors changing. This feature of doorbell wireless smart for home is also helpful for those with a severe hearing impairment. A perfect wireless doorbell for elderly, more noticeable than normal