KERUI Wireless Doorbell 2 Remote Button+1 Plug in Receiver Door Bell 57 Melodies

Description

KERUI M521 Wireless Welcome Doorbell Home Security Alarm System 433MHz Smart Chimes with 57 Songs 4 volume levels US Plug
Long Operating Range -
Operating range up to 500ft/150m in open area ensures you to hear the bell and answer the door in time. Either you are occupied a few rooms away or on another floor, in the garden or kitchen, you will always be easily informed when someone is ring the button, nsures you will never miss a visitor.
57 Melodies & Adjustable Volume -
The wireless doorbell offers a wide selection of 57 chimes for your personal taste, 4-level of volume range from 25dB to 85dB to meet your needs for different occasions. Flashing light with audio alert indicators which is easy for people including the hearing impaired to notice.
Easy Installation & Using -
Screws and double-sided adhesive tapes included for easy be fixed to the doorframe of the transmitter. Easily plug receiver into an electrical outlet (no batteries required for main receiver). Install just plug it in location you need it to be heard, then you put the button where you want someone to push the button.
Memory function -
Remembers your last melody after a power outage; no need to reset to your previous settings.
Multi Use -
It is fit for home, apartment, classroom, office, villas and more. You can use our doorbells to remind you that a visitor is coming, you will never miss a visitor； Use it for your children, when they ring the bell, you will know that the children are calling you. And it can be a paging device for the elderly, can signal for care when they need it most.
This item is perfect to use for hospital.
This item also can be used great for commercial space and offices.
This item also works well for large homes or villas.
This item also can be used as a simple alert device. A paging device for the elderly, can signal for care when they need it most.
Specifications:
Plugs into Wall Outlet. (our doorbell is US Standard Plug)
Flashing Light Indicator.
Wireless Range: 500ft maximum in the open air
Internal Sounds: 57 Chimes
Volume: 4 level adjustable levels (25db to 85db)
Receiver Power: AC 110V ~ 220V 50Hz / 60Hz
Transmitter Power: 1 x 12V 23A battery
Package Includes:
2 X Push Button (Transmitter)
1 X Plugin Chime (Receiver)
4 X Screws
2 X Double-Sided Adhesive Tape
2 X 12V 23A battery for Transmitter