Fits bulbs with E26/E27 medium size bases, bulbs are not included. You can adjust the knob 180 degrees to meet different needs of lighting and places. Brown cable for live, blue cable for neutral, yellow cable for ground.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.