Shelly EM Gen4

Watching my live energy usage update in real time from my phone is genuinely addictive — the accuracy on the two measurement channels is spot on compared to my utility bill. It took about twenty minutes to wire into my panel and get the app synced, and now I finally know which circuits are eating po

Setup was straightforward even for someone like me who’s not an electrician, and the live readings in the app update fast enough to see my AC kick on in real time. The clamps fit snugly on my main lines, and the accuracy matches my utility meter within a couple percent. Exactly what I needed to trac

Took about forty minutes to wire into my panel and the readings are spot-on against my utility meter. The per-phase tracking makes it easy to see exactly where the AC and the dryer are eating power from my phone. Nice to finally have real numbers instead of guessing.