Question 1

how long does the monitor button stay on?

Accepted Answer

Hi, 
Thank you for your interest in Wuloo wireless intercom system. 
The monitor mode of this intercom system can work for 10 hours, it will disconnect beyond that time and then need to reset.
If you need any other help, please to contact us in time, we will try our best to solve the problem for you. 
Best wishes to you. 
Wuloo Customer Service Team

Question 2

does this unit has AV speaker out??

Accepted Answer

Hi daniel，

Thank you for your attention for Wuloo wireless intercom system. 
We are sorry for that we do not quite understand your words "AV speaker out", does it mean connecting external speakers?
Our intercom system has built-in speakers, and there is no extra port for connection the external speakers.
Hopefully the above will help. If you have any other questions, please feel free to contact us, we are always happy to service for you. 
Have a nice day. 
Wuloo Customer Service Team

Question 3

1. with unit a in monitor mode, can unit b talk back to unit a by pressings talk button?
2. how do i set unit a to permanent monitor mode ? +10 hr

Accepted Answer

Hello,
Have a nice day and thank you for your attention for Wuloo products.
For your question, we want to tell you:
If the unit a in monitor mode,the unit b can only hear the voice from the unit a and can not talk back to unit a by pressings talk button.This version intercom can not be set permanent monitor mode,it has 10 hours monitor limit.
Sincerely
Wuloo

Question 4

If each intercom is set up with its own channel, is there a way to "page" all channels so an announcement can be heard on all devices?

Accepted Answer

Hi,

Thank you for your attention for Wuloo intercom system.
Yes, you can do that. You can press and hold the GROUP button to speak and then all units will receive your message even they have the different channel and code.
Hope it will help. If still have the problem, please reply to us soon, we will assist you within 24 business hours.
Have a nice day.

Sincerely,
Wuloo

ASIN	B07KK7Y7PS
Additional Features	Long Range
Best Sellers Rank	#96,715 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #111 in Home Intercoms
Brand	Wuloo
Built-In Media	Quick Start Guide, Detailed Manual, Power Bank Compatibility
Color	3 units set white
Compatible Devices	Power Banks (5V 1A)
Connectivity Protocol	FM
Customer Reviews	4.2 4.2 out of 5 stars (871)
Item Weight	2.39 Pounds
Manufacturer	Wuloo
Mfr Part Number	WUL-WIS-3P-White-888
Model Number	WUL-WIS-3P-White-888
Number of Batteries	Unknown batteries required.
Number of Channels	22
Number of Packs	3
Talking Range Maximum	1 Mile
Tuner Type	FM wireless
UPC	603849906689
Unit Count	3.0 Count
Voltage	5 Volts
Water Resistance Level	Water Resistant

Wuloo Intercoms Wireless For Home 1 Mile Range 22 Channel 100 Digital Code Display Screen, Intercom System House Business Office, Room To Communication(3Stations White)

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