The Shelly Dimmer/SL is a WiFi universal dimmer for loads up to 200 W. It can dim halogen lamps with 10-220 W or dimmable LEDs with 50 - 200 VA / 10 - 200 W. It is not suitable for dimming iron core transformers. When the neutral wire is connected, a power measurement function is also available.

No more blinding light during late-night trips to the bathroom. Set time intervals during which the light should turn on at reduced brightness. Shelly can be used as a standalone device or as part of a complete smart home solution. Shelly has a built-in web server that allows the device to be configured, operated, and monitored. Operation can be done over the local WiFi or through the optionally activated Shelly Cloud. Shelly has two WiFi modes: Access Point and Client mode. The Shellys can communicate directly with other WiFi devices via HTTP. It can be used as a standalone device or together with a smart home hub or software. MQTT, ioBroker, Home Assistant, openHAB, Domoticz, and a REST API are supported.