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 miles ahead!

5 YEARS BATTERY LIFE INCLUDED - Eight AAA batteries included, powering sensors for over 5 years—set it and forget it.
INSTANT LEAK ALERTS WITH POWER - 105dB alarm plus SMS, email & push notifications keep you ahead of water damage.
PLUG PLAY SMART HOME EXPANSION - Easy Ethernet/WiFi setup with support for 300+ YoLink devices—grow your smart ecosystem effortlessly.
UNRIVALED LONG RANGE CONNECTIVITY - LoRa tech delivers up to 1,000 feet open-air range—perfect for basements & remote spots.
FREEZE WARNING FOR WINTER PROOFING - Built-in low-temp sensor warns you before pipes freeze and burst.

The YoLink Smart Home Starter Kit combines a powerful hub and four wireless water leak sensors with industry-leading LoRa technology for up to 1/4 mile range. Featuring a piercing 105dB alarm, freeze warnings, and seamless app notifications via SMS, email, and push, it offers professional-grade protection against water damage. With easy plug-and-play setup, IP66 waterproof durability, and 5+ years of battery life, this kit is the ultimate smart home safeguard for proactive managers who value peace of mind and smart living.

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Battery Description	Alkaline
Number of Batteries	8 AAA batteries required. (included)
Voltage	5 Volts
Control Method	App
Noise Level	105 Decibels
Mounting Type	Floor Mount
Maximum Range	1000 Feet
Sensor Technology	LoRa
UPC	810121540855
Manufacturer	YoLink
Country of Origin	USA
Item model number	YS1603+4YS7906
Product Dimensions	17.78 x 12.7 x 6.35 cm; 9 g
ASIN	B0CCT7TH98

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT

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