Specifications:
External dimension: 300 (L) x 25(W）x 12(H) mm (about 11 3/4" x 1" x 1/2")
Material: Aluminum

Features:
- Aluminium Heatsink for 1W,3W,5W High Power Led
- Capable to maintain the Led working on proper temperature without cooling fan will be required

Package included:
1x Aluminium Heatsink