YoLink Water Leak Starter Kit: Hub + 4 Leak Sensor 4 (105 dB Siren), LoRa Long-Range, App/SMS/Email Alerts, D2D Offline, 2 AAA Up to 5-Year Battery, Compatible with Alexa/IFTTT/Home Assistant

Price: $89.99 - $69.99
(as of Feb 14, 2026 03:54:57 UTC – Details)

From the brand

Complete plug-and-play kit: hub plus Leak Sensor 4 units, each with a built-in 105 dB audible alarm for instant on-site alerts.
Long-range LoRa: reliable coverage where Wi-Fi struggles (up to 1/4-mile open air); get app, email, and SMS/text alerts and name sensors by location.
Works even without internet: with YoLink Control-D2D, sensors can directly trigger YoLink sirens or shutoff valves for local protection during outages.
Low-maintenance power: each sensor uses 2 AAA batteries with up to 5 years typical battery life; easy replacement.
Scalable IoT platform: one hub supports 300+ YoLink devices; part of a whole smart home/building ecosystem; hub options include standard Hub, SpeakerHub, and Cellular Hub.