Feature: 1. Can be used to make small refrigerators, pet refrigerators, small air conditioners, semiconductor experiments, etc. 2. The cooling effect depends on the size of the cooling space, ambient temperature, heat insulation performance and airtightness. 3. DIY cooler, the product works stably, has low noise and does not require refrigerant. 4. Can be frozen at the end of refrigeration, with refrigeration and dehumidification functions. 5. Small size, easy to carry and store, convenient to use and with good performance. Specification: Item Type: Cooler Production KitMaterial: Plastic Model: XD-148 Uses: Making small refrigerators, pet refrigerators, small air conditioners, semiconductor experiments, etc. (The cooling effect depends on the size of the cooling space, ambient temperature, heat insulation, airtightness, etc.) Power: 144W Power Supply Voltage: DC 12V Power Supply Current: 10A Power Supply: 12V 15A (not included) Hole Size: Approx. 63.5 x 48.5mm / 2.5 x 1.9in Size: Approx. 175 x 96 x 175mm / 6.9 x 3.8 x 6.9in . Package List: 1 x Cooler Note: If you cool the room or use it as a room air conditioner, this is not possible, thank you!Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.