Product Review
Wondering Why You Should Buy KERUI Model M521 Wireless Doorbell ?
Original factory manufacturing with free lifetime technical support .There are some features in
This doorbell that you are most likely not going to find in any other models. 4 color LED flashing
linght with IP44 Weathproof push button. You do not have to fret about weather conditions anymore
when you have this model at your place.500 feet long operation range.
-Plugs into Any Standard Wall Outlet:
Just plug the receiver into any standard wall outlet. and attach the transmitter on the door .
You don't necessairy have to make holes or damage anything .Use it for front, side,
or back doors to gain security and peace of mind.You also can use screw to install the push button to doorframe
-4Volume Levels(25dB-100dB) You'll be happy to know that you have the option of turning the chime down or up--a great
option for different environment.Never miss a call
. Decibel Equivalents
4 color flashing light indicator: The 4 color flashing light indicator that gives you a visual form of notification(an excellent feature for the hearing impaired).
-500 feet Range : Thanks to its industry-leading 500-feet working range, you'll be sure
never to miss a visitor's arrival no matter where you are.
Push button IP44 waterproof:
KERUI wireless doorbell can be used for outside. If the doorbell (the push button) got splashed wet ,
in heavy rain, please let it dry in air. The button can work normally after it dry.
Package contents:
2x Remote Push Button (Transmitter)
1 x Plugin Chime (Receiver)
1 x Double-Sided Adhesive Tape 1 * Screw installation kit (2 anchors, 2 screws,)
1 x 23A 12V Alkaline battery for transmitter
Free lifetime technical support and 2 years manufacturer's warranty.


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