YoLink Smart Home Starter Kit: Hub & 4-Pack Water Leak Sensor $39.99

YoLink Smart Home Starter Kit: Hub & 4-Pack Water Leak Sensor $39.99 for prime members when you click 20% off coupon on the page at Amazon.

-It includes 1 hub and 4 Water Leak Sensors and the hub only supports 2.4GHz WiFi.
-Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property.