KERUI Wireless Doorbell Chime,5 Adjustable Volumes Door and Window Alarms When Opened,1000Ft Long Range Door Sensor Chime,60 Melodies Door Buzzer with LED Flash for Home/Business Entry

【Multifunctional Smart Wireless Doorbell】: KERUI ring doorbell chime include upgraded 60 music and 5 volume(from 0 to120db)can also be make a selection,meet more different occasion and crowd requirement, beside this, colorful led flashing indicator design,friendly to the elderly and the hearing impaired.
【Provide 24/7 Safeguard】: The door bell made of 1 receiver + 2 magenetic sensor, build-in alert system, the door sensors will automatically trigger the receiver when the magnetic strip is separated, can as window/door alarm opend for anywhere.
【Wide Working Range】:This bells for door working is up to 1000ft in open area, completely cover your ideal detection range when you apply it to your house or store. Every door sensor or receiver can also be expandable, Great for business, home, office & store.
【Memory Function&Long Lifespan】: The door bell chime’s memory function can remember that your last melody and volume level, even after a power outage, saves time for resetting, comes with a removable battery ensure product for use for more than 10000 times+.
【Top Service with 90 Days’s Return and 365 Day’s Replacement】:Kerui team is committed to providing top service and quality, when you have any problems right through the doorbell use, you’ll be able to contact us for return and exchange, which is a fully risk-free purchase!