Brand new Semiconductor coolers are a kind of steady state cooling featuring both semiconductor Technologies and digital assembly techniques. Suitable for: small subject cooling, learning the main of semiconductor refrigeration, puppy air conditioning, etc. Colour:Silver+blue Material:aluminum Size:98x60x46MM Package Contents: 2 x cooling blocks 2 x followers eight x screws 2 x solving screws 1 x water cooling heads 2x thermal adhesive Note: The refrigerating sheet is not included. Only the above kit content, different merchandise aren't included. Note: Light capturing and sundry displays can cause the colour of the object within the photo just a little varied from the real thing. The size allowed error is +/- 1-3cm.