Freeze Spray quickly lowers surface temperatures to below zero ?F so you can locate hot or defective electronic devices. Cools components to test for defects or intermittent failure. Blow Off(TM) Freeze Spray, Component Cooler lowers component temperature to -65 F. Cools components to test intermittent faults. Detects defective transistors, capacitors, ICs and other components. Protects components during soldering. Evaporates fast, leaves no residue and is anti-static!