What are the dimensions of the water sensors? (Inches and centimeters)

The dimension of YoLink Wate Leak Sensor is 2.44*2.44*0.93inches (62*62*23.5mm), the package dimension is 2.48*2.48*1.02inches (63*63*26mm).

How to make with Alexa? Using a routine?

Yes, use a routine to enable the voice alert from Alexa for YoLink leak sensor. Please refer the video: https://www.youtube.com/watch?v=gr9MpQi2Vwo Thanks! John from YoSmart Team

I don't see any rope sensors which is bad for covering areas like washers, fridge, and water heaters. Any rope solutions I'm unaware of with this?

There are 3 ways to connect the extension cable to YoLink Leak Sensor. 1. Soldering with a soldering iron: (1) Use a soldering iron to solder 2 common wires (regardless of positive or negative) to a set of probes on the Leak Sensor (a set of probes on the top of the leak sensor is recommended) (2) Fix the leak sensor in one place (If you use double-sided tape to paste the bottom of the leak sensor to the wall, the thickness of the double-sided tape must be higher than the height of the footpad on the bottom of the leak sensor (>1.5mm), otherwise, the leak sensor may not stick firmly ) (3) Place the 2 wires in the area to be detected. The 2 wires must be separated and fixed with a certain distance (10~15mm) But please kindly note: If you use a soldering iron to solder the wire, it may damage the two probes of the original device, which may cause the probes to rust in a humid environment. 2. Use glue or tape to fix (1) Use glue or tape to stick 2 ordinary wires (regardless of positive or negative) to a set of probes on the leak sensor (a set of probes on the top of the leak sensor is recommended) a. Stick the wire to the end of the probe and roll it into a circle or ring to expand the contact area & assist in fixing; b. It is recommended to use glue/tape with high viscosity, which must be firmly adhered to! (2) Fix the leak sensor in one place (If you use double-sided tape to paste the bottom of the leak sensor to the wall, the thickness of the double-sided tape must be higher than the height of the footpad on the bottom of the leak sensor (>1.5mm), otherwise, the leak sensor may not stick firmly) (3) Place the 2 wires in the area to be detected. The 2 wires must be separated and fixed with a certain distance (10~15mm) But please kindly note: If the glue/adhesive tape fails to stick the wire firmly, it may cause the wire to fall off and the leak sensor may not work properly. 3. Use the Alligator Clip We have found a way to use the Alligator Clip to clamp securely connecting the probes of the leak sensor and the extension cables, please visit the following video for instruction, https://youtu.be/x-bBXegLUcc Please wrap the leak sensor and the clip with tape to prevent it from falling off. As for the clip, you will find it on Amazon https://www.amazon.com/dp/B0739YWFQ6 I hope that will be helpful to you. Any question, please kindly contact us, thanks!

Can one person with the same email address and phone number hold multiple accounts, ie. a building manager for a condo?

Sorry, one email address can be associated with only one YoLink APP account, and one phone number can also be associated with only one YoLink APP account.

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💧 Stay dry, stay smart—leak detection that’s always a step ahead!

PLUG PLAY SETUP - Get fully operational in under 10 minutes—just scan, plug, and protect your home effortlessly.
LONG LASTING POWER - Forget frequent battery changes with ultra-efficient LoRa tech delivering 5+ years of continuous monitoring.
FAIL SAFE PROTECTION - Stay secure even during power or internet outages with patented offline tech and battery-powered valve control.
UNMATCHED WIRELESS REACH - Cover your entire property with the world's longest 1/4 mile LoRa range—no dead zones, no worries.
SMART ALERTS AUTOMATION - Receive instant app, SMS, and email notifications plus automate sirens and smart plugs via Alexa and IFTTT.

YoLink Smart Leak Sensors deliver industry-leading 1/4 mile wireless range using low-power LoRa technology, ensuring reliable water leak detection with real-time alerts via app, SMS, and email. Designed for effortless installation and fail-safe operation during power or internet outages, this 4-pack includes batteries and a hub, providing up to 5+ years of battery life and seamless integration with Alexa and IFTTT for smart home automation.

Reviews

C**

Excellent

Notifications are excellent and very accurate when detecting water

12.01.2024

M**N

Water leak wireless sensor

Excellent Product

6.10.2023

M**L

Simple setup ... works well

Easy set up with QR code scan. Works well on tests/simulated leaks.

25.08.2023

P**H

These work really well

Bought 2 to monitor a leak in the roof, which they did well and averted disaster. Bought 4 more for around water tank, behind dishwasher, washing machine etc.

29.04.2023

V**J

very expensive device is no different from cheap analogues

it is impossible to use with Alexa, it does not work with Alexa as indicated in the description. I asked the support group for help, but they never answered to me. This service is just for show, in fact it is non-working. You won't hear any signal, just get a notification on your phone. A dubious and very expensive device is no different from cheap analogues.

5.10.2023

A**R

No network connectivity

Highly anticipated purchase, unfortunately it did not live up to the product marketing. Tried over two days to get the Hub to work on Ethernet and WiFi but would constantly dropout. Contacted Tech Support, who to be fair did what they could but in the end had to return the kit for refund

6.04.2023

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Battery description	Alkaline
Number of batteries	8 AAA batteries required. (included)
Voltage	3 Volts
Control method	App
Mounting type	Tabletop Mount
Maximum range	1.32E+3 Feet
Sensor technology	LoRa
UPC	850024791565
Manufacturer	YoSmart
Part Number	YS1603+4YS7903
Product Dimensions	20.32 x 5.08 x 10.16 cm; 610 g
Batteries	8 AAA batteries required. (included)
Item model number	YS1603+4YS7903
Included Components	Batteries, Detector
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Item Weight	610 g

Smart Leak Sensors, YoLink 1/4 Mile World's Longest Range Wireless Smart Water Leak Sensor Compatible with Alexa and IFTTT Leak Detector with App Alerts and Remote Monitor, 4 Pack, YoLink Hub Included

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