Right now there are 99 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Tools & Home Improvement › Electrical › Home Automation Devices. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: Tapo, Kasa Smart, Philips Hue, SwitchBot, Apple, Aqara, Legrand, Sengled. Every item is a one-off, so the stock moves all day and new deals keep arriving.