Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This choice is between adding a discrete, low-profile smart switch or overhauling an entire fixture with a new smart mechanism.
Pick the Existing Home Upgrade Kit if you want to completely replace an old switch with a modern, integrated smart switch and faceplate.
Pick the Aqara Dual Relay Module T2 if you need to invisibly smarten existing light switches without replacing faceplates or wall boxes.
Ask anything — we'll answer with Existing Home Upgrade Kit and Aqara Dual Relay Module T2 in mind.
Pindear may earn a commission when you buy through these links. Winners are determined by numeric spec comparisons only; non-numeric features (app quality, ecosystem, real-world feel) are covered in the verdict.
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