can this device be turned on or off using the phone app?...does it work with iphone?

It works with iphone. You can disable and enable the sensor's alert from the App, but it is not fully turned off, if you disabled the alert, it will not send alert message or trigger off the alarm, you still can check the history of records through the app. Thanks!

There is a delay when using this to turn on third party switch. Is there a work around?

If you use the Alexa routine to integrate third party switches, normally it should take less than 1 second when the motion is detected and the action to turn on the switch. Very few times may be delayed a couple seconds due to the network routing and Alexa cloud. If you experience high rate of the delays, please contact the technical support by emails or phone call. Thanks!

My home has 3 AirBnb rental units and each will have a motion sensor. Will the app allow me to silence 1 sensor when that unit is occupied?

Yes, with the new update that came out a couple weeks ago you can now have separate alarm strategies for each device. I use an iPhone So you could have one alarm strategy named un occupied and another named occupied. Then just change the strategy for the one(s) that are occupied.

Would a ceiling fan set the motion sensor off, making it signal that there is motion in room, even though no person is in room?

I have several in my house, garage and barn. The one at the front door sends notification of visitors and turns on lights. The one in the barn just turns on two sets of lights. These sensors have different levels of sensitivity settings that I had to experiment with to get it to works the way I wanted it to. Try one and if the fan sets it off try moving it or adjusting the sensitivity levels. You will also need a YoLink hub for all you sensors and switches. Good luck.

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YoLink LoRa 1/4 Mile Wireless Range Smart Motion Detector, Indoor Motion Sensor, Motion Detector, Alexa, IFTTT, YoLink Hub Required

YoLink LoRa 1/4 Mile Wireless Range Smart Motion Detector, Indoor Motion Sensor, Motion Detector, Alexa, IFTTT, YoLink Hub Required

Product ID: 201719111

Details

Brand
YoLink
Color
1-pack without
Item Weight
2.89 Ounces
Maximum Range
0.25 Miles
Power Source
Battery

📡0.25 mile LoRa range

🔔Multi-channel instant alerts

🛠️Tool-free magnetic mount

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Description

🚀 Elevate your smart home game with YoLink’s ultra-long-range motion sensor—because distance should never limit security.

DUAL PURPOSE SMART AUTOMATION - Automate lighting when home & secure your space when away—integrate with alarms, door sensors & smart switches.
UNMATCHED LONG RANGE COVERAGE - LoRa tech delivers a staggering 1/4 mile wireless range—cover multiple floors & buildings effortlessly.
EFFORTLESS SETUP INSTALLATION - Plug & Play Hub with QR code pairing plus magnetic mount means zero tools, zero hassle.
WI FI FREE HACKER PROOF SECURITY - Dedicated Hub connection keeps your smart home off your WiFi network, reducing security risks & network lag.
RELIABLE ALERTS THAT COMMAND ATTENTION - Get instant push, email, or SMS notifications—even critical alerts override silent mode on iOS & Android.

The YoLink LoRa Smart Motion Detector redefines indoor motion sensing with a breakthrough 1/4 mile wireless range using LoRa technology, far surpassing WiFi and traditional RF. Its tool-free magnetic mounting and Plug & Play Hub setup get you running in minutes. Designed for dual functionality, it automates lighting and enhances security with instant multi-channel alerts, all while operating independently of your WiFi to maximize privacy and reliability. Perfect for large properties and multi-building setups, YoLink’s system ensures your smart home stays connected, secure, and effortlessly smart.

Specifications

ASIN	B0872R9GC6
Antenna Location	Residential Security, Automation
Battery Description	2 AAA alkaline batteries
Best Sellers Rank	#7,777 in Electronics ( See Top 100 in Electronics ) #29 in Motion Detectors (Electronics)
Brand	YoLink
Color	1-pack without hub
Compatible Devices	Android Phone, iPhone
Item Dimensions D x W x H	5.4"D x 3.9"W x 13"H
Item Weight	2.89 Ounces
Manufacturer	YoSmart
Manufacturer Warranty Description	2 Years(Sensor), 1 Year(Hub)
Maximum Range	0.25 Miles
Mfr Part Number	YS7804-UC
Model Number	YS7804-UC
Mounting Type	Ceiling Mount
Number of Batteries	2 AAA batteries required. (included)
Operating Temperature	32 Degrees Fahrenheit
Power Source	Battery Powered
Smart Home Compatibility	Smart Home Compatible
Temperature Range	32 Degrees Fahrenheit
UPC	750258361773
Unit Count	1.0 Count

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