The only system on the market that can stably maintain -80°C even at a super-atmospheric flow rate of 20SCFM. Users can obtain true ultra-low temperature testing. Components can be transformed to a low temperature state more quickly, and can stay in the low temperature environment for a long time. Dual refrigeration system, very stable and reliable, powerful air circulation, can run stably for a long time even in 24/7 working conditions. Detachable portable touch screen controller. The design is compact, and the bottom is equipped with rollers for easy movement. It is less than 20 seconds to decrease from +125°C to -55°C, and users can save a lot of time.