Function of this Aluminum Heat Sink is to cool down the Chip IC LED and make it operate safely. The aluminum heat sink reduce the risk of hardware failure because of overheating. Features: Prevents overheating of board Absorbs heat quickly Fast cooling Quantity of blade: 24 Material: Aluminum Color: Silver Package includes: 1 x Aluminum heat sink 150 x 60 x 25mm SKU: PGI-00872064 Category: E-Bike