Features 1、Powerful cooling system provides reliable performance for your DIY project. 2、Stable work and low noise, no refrigerant required. 3、Simple operation, rapid cooling and strong practicality. 4、Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, sealability, etc. 5、Widely used in small space cooling, semiconductor refrigeration theory learning, cooling equipment development, pet air conditioner, etc. Specification Features: 1. Powerful cooling system provides reliable performance for your DIY project. 2. Stable work and low noise, no refrigerant required. 3. Simple operation, rapid cooling and strong practicality. 4. Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, sealability, etc. 5. Widely used in small space cooling, semiconductor refrigeration theory learning, cooling equipment development, pet air conditioner, etc. Specification: Condition: 100% brand new Size: Approx. 9.8 x 4 x 4.6cm / 3.86 x 1.57 x 1.81in Weight: Approx. 255g/9.0oz Package list: 1 x Cooler Note: 1. Package only includes the cooler, other accessories are not included. 2. Do not use it as indoor air conditioner. 3. Please allow slight error due to manual measurement. Thanks for your understanding. Package List