[Important parameters]: applicable voltage: AC 220-240.50/60 Hz, rated load: 1W~150W, excellent quality, with overload protection, overcurrent protection and overheat protection. Note: Before purchasing, please make sure your bulb is dimmable, This dimmer switch is only suitable for dimmable bulbs, halogen bulbs and incandescent bulbs, otherwise the bulb cannot be turned on/off, cannot be dimmed and cannot dim or flash. The product does not come with a cord. High intensity: Quiet and flicker-free when dimming, providing a uniform dimming range from 0% to 100%. Due to the variety of bulb s and control circuits, there may be compatibility issues between dimmers and bulbs. Suitable for dimmable bulbs up to 150W : black thyristor wire rotary dimmer, input voltage AC220-240V, maximum bulb power 150W, pay attention to the bulb power when dimming. [Application ]: Suitable for LED floor lamps, LED table lamps, LED filament lamps, low-voltage halogen lamp transformers and incandescent lamps. Not suitable for use with fluorescent bulbs and tubes, flat panel display accessories, wirewound or toroidal transformers or electric motors. Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.