Features Good Refrigeration Effect: The 12v Power Supply of this Thermoelectric Cooler has Fast Refrigeration and Good Effect. The Temperature Difference After Refrigeration is Large. Product Protection: In Order to Prolong the Service Life of the Refrigeration Sheet, You can Seal the Components Around the Refrigeration Sheet to Isolate the Air, Prevent Moisture and Prolong the Service Life of the Refrigeration Sheet. Wide Application: The Cooling Peltier Plate Refrigeration Sheet can be Used in a Variety of Environmental Occasions, such as Laser Communication, Electronic and Power Products Industry, Automobile Industry, Etc. Stable Performance: The Thermoelectric Cooler Refrigeration Slice is Made of Excellent Materials and Fine Manufacturing Process. It is Small in Size and Plays a Role Quickly. It will Soon Reach the Maximum Temperature Difference of the Product and Continue to Work. Its Performance is Stable. Easy Installation: During Installation, Wipe the Surface of the Refrigeration Sheet, and Evenly Apply the Heat-Conducting Material. If it Needs to be in Good Contact with Other Equipment, it can be Fixed with Screws. Specification: Item Type: Cooling Plate Panel Material: Ceramics Color: As Pictures Shown Model: TEC1-12715 Dimensions: Approx.40mm x 40mm x 4mm/1.6x1.6x0.2inWorking Range: 0-15.4VDC, 0-15A Operating Temperature: -40℃-90℃ Maximum Power Consumption: 165w Package List: 1 x TEC1-12715 Cooling Plate Package List 1 x TEC1-12715 Cooling Plate