Can somebody tell me why I would need a siren if 8 alexas in my house would warn me of a leak?

Yes, because when the internet is down or got the power outage, all the Alexa will not work. But the water leak can trigger the siren without internet. If you installed the batteries in the siren, even there is power outage, the water leak can trigger the siren. Thanks!

Does the siren stay audible after it is triggered until someone turns it off?

YoLink Siren Alarm will automatically disable the alarm according to the Alarm Duration setting via YoLink APP, the default setting is 30 seconds. And other ways to turn off the Siren Alarm are as below. 1, Press the SET button on the Siren Alarm. 2, Click Disable button in YoLink App. 3, Press the relative OFF button on the YoLink Remote (sold separately).

Is there a way to have door sensor trigger siren when door is left open for x amount of time? Also, can closed door sensor shut off siren?

You can set the siren to go off @ 10 seconds and up. You can set it up to go off when open and/or closed.

How any sensors can be connected to hub and alarm

One YoLink Hub supports 200 YoLink devices in real test. And you can add one or more YoLink Hub to expand signal coverage. One YoLink Siren supports up to 128 YoLink devices in total.

Yolink Smart Security Siren Alarm 110 Db Ys7103

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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¥9536

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Elevate your security game with a siren that’s smart, loud, and always ready!

COMPACT POWERHOUSE - Just 3.1 inches wide, this siren packs a punch without taking up space.
OFFLINE RESILIENCE - Device-to-device pairing works without WiFi or internet—security that never sleeps.
COST EFFECTIVE SECURITY - No monthly fees, batteries included, and compatible with a growing family of YoLink smart devices.
MULTI ALERT VERSATILITY - From panic alarms to water leak and temperature alerts, customize your security ecosystem.
SEAMLESS SMART INTEGRATION - Control remotely via app, voice assistants like Alexa, or SirenFob for instant panic alerts.

The YoLink Smart Security Siren Alarm YS7103 delivers a powerful 110 dB alert from a compact 3.1-inch device. Utilizing LoRa technology, it offers an impressive 2034-foot range and device-to-device pairing that functions even without WiFi or internet. Designed for versatile use, it supports panic alarms, intrusion alerts, and environmental notifications like water leaks and temperature changes when paired with additional YoLink sensors. Controlled via app, voice assistants, or remote fobs, it requires no monthly fees and comes battery-powered with included alkaline batteries, making it a cost-effective, scalable solution for modern smart home and business security.

Specifications

ASIN	B0887SMPKK
Audible Noise	110 db
Battery Description	Alkaline
Best Sellers Rank	#289 in Home Security Systems
Brand	YoLink
Built-In Media	Batteries
Color	White
Compatible Devices	Smartphone, Tablet
Control Method	App, Remote, Voice
Customer Reviews	4.4 4.4 out of 5 stars (1,131)
Item Dimensions L x W x H	3.1"L x 2"W x 3.1"H
Item Highlight	Remote Siren Control, Panic Alerts, Works with Alexa/Home Assistant, LoRa YoLink Protocol Up to 2034 Feet, Hub Required
Manufacturer	YoSmart
Manufacturer Warranty Description	1 Year
Maximum Range	402.34 meters
Model Number	YS7103-UC
Mounting Type	Wall Mount
Number of Batteries	2 AA batteries required.
Number of Items	1
Number of Packs	1
Power Source	Battery Powered
Sensor Technology	Contact Sensor
Size	3.1 inches
UPC	750258361872
Unit Count	1 Count
Voltage	5 volts

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¥9536

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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YoLink Smart Security Siren Alarm, 110 dB, YS7103

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