1. It adopts Peltiel material to realize electronic cooling. Mini-shape and light.2. Without compressor and Freon. Environment-friendly, no vibration, no leak.3. Using Environment-friendly materials, which meet RoHs requirements.4. No limitation about installation, it can be applied to many occasions.5. Normal working ambient temperature is -20℃ to + 50℃.6. Using high density and thermal insulation foam to fill the cool end and hot end of the cooling equipment.7. The temperature of Overheat protector of radiator at hot end is set at +75℃±5℃.8. Applicable to the sealed, vibrating, and rotated occasions where compressor cannot work.