Shelly EM Gen3 energy meter drops to 20% off in Shelly's Energy Sale
Shelly EM Gen3 is a compact Wi-Fi and Bluetooth energy meter that uses contactless current clamps to show what your circuits and appliances draw in real time. It measures two channels on a single phase, keeps up to 10 days of minute-by-minute logs on the device, and has a dry contact for switching a contactor. A good pick for DIY smart-home users who want circuit-level data without a cloud-only system.
The product page shows it at 55.99, down from a regular 69.99, as part of Shelly's Energy Sale; no code needed. One 50 A clamp comes in the box, so a second channel needs another clamp, and it should be installed by someone comfortable working in an electrical panel.
You want local, scriptable energy data (MQTT, webhooks, HTTP) on one or two circuits for a low price.
You want a plug-and-play whole-home monitor with appliance detection and no panel wiring.
