This trailing edge dimmer is designed to control incandescent, halogen, and dimmable LED lighting circuits up to 150W maximum, making it ideal for dimming up to 20 GU10 spotlights in residential and commercial installations. The trailing edge switching technology ensures smooth, flicker-free dimming with minimal electromagnetic interference, and is compatible with most modern dimmable light sources. Perfect for electricians installing accent lighting, display lighting, or ambiance control in shops, restaurants, galleries, and home entertainment spaces.