AC Thermometer Tester – Interdynamics Style, Auto Air Conditioning Vent Probe

Simple little tool, big help when your car's AC is acting weird.

This is an unbranded test thermometer—sticks right into the vent and tells you exactly how cold that air is.

No batteries?

No problem.

Works on any car with AC vents.

Helps you figure out if your system's actually blowing cold or if it's just kinda cool.

Great for DIY diagnostics before you start throwing parts at it.

Small, cheap, but honestly super useful.

No fancy features, just reads the temp and helps you troubleshoot.