This is a brand new and sealed Cooler Master Elite Liquid 240 ARGB AIO CPU Cooler in Black.

Noteworthy specs of this cooler include:

• 240mm Radiator
• AIO Liquid Cooling
• ARGB (Addressable RGB)
• Supports Intel LGA 1851/1700/1200/1151 and AMD AM5/AM4 Sockets

More information including full specifications can be found on the manufacturer's website at https://www.coolermaster.com/en-global/products/elite-liquid-series.html