This leak detector lasts two years on a single battery.

All the smart home news, reviews, and gadgets you need to know about The Shelly Flood S Gen4 is a $28 flood sensor that supports Matter, Wi-Fi, and Zigbee, so it should fit into any smart home setup. It also has a built-in alarm. Two-year battery life on a single CR123A is impressive; Ikea’s Klippbok leak sensor gets a year (but costs half as much). Wireless leak sensors are more flexible than wired models; you can just stick this under your washing machine, and you’re good to go. Correction: This story previously said the sensor uses a coin cell battery; it’s a CR123A. If you buy something from a link, The Verge may earn a commission. See our ethics statement. Posts from this author will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. Posts from this topic will be added to your daily email digest and your homepage feed. A free daily digest of the news that matters most. The Verge is a part of PMX Global, LLC, a s