・ KNUTBO Ceiling Spotlight, 4 Spots ・ TRADFRI Remote Control Kit (for 4 lights) This is a set. It's already set up, so you can just attach it to your ceiling's ceiling fixture and use it. You can adjust the brightness and color temperature (white to warm) with the remote control. (Operation confirmed) - Type: Spotlight - Color: Black - Number of lights: 4 - Included: Remote control, remote control wall mounting plate There are no instructions. (You can find the IKEA instructions by searching for "KNUTBO instructions", etc.) I purchased this in 2022 and used it in my study, so there are no particular stains, but please understand that this is a used item before purchasing. Thank you for looking.