What's in the box:

Aluminum Alloy Heat Sink Module Cooler Radiator Blue Oxidation Heatsink with 16 Fins for High Power Amplifier Transistor Semiconductor Devices (Blue)

Features:
Made of high quality aluminum alloy, good thermal conductivity.
Reduce the risk of hardware failure due to overheating.
Maximize surface area designed in contact with the cooling air. The 16 pcs fins increase the area of the board and thus provide for greater heat transfer.
Specially designed for high power household LED light or fish tank LED devices, etc
Please make sure that the size of the heat sink fits that of your component

Specifications:
Meterial: Aluminum Alloy
Floor Thickness: 2.2mm
Blade Thickness: 1mm
Space Width: Middle Slot 3.8MM, Others 2.82mm
Fins: 16pcs
Item Size: 10 * 6 * 1cm / 3.9 * 2.4 * 0.4in
Item Weight: 70g / 2.5oz
Package Size: 10.5 * 6 * 1.2cm / 4.1 * 2.4 * 0.5in
Package Weight: 72g / 2.5oz

Package List:
1 * Heat Sink