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

Customers find the alarm easy to set up and use. They appreciate its functionality, water leak detection, and phone notifications. The build quality, app accessibility, and signal strength are also praised. However, some customers have differing opinions on connectivity.