This special kit called Testo Smart Probes AC & Refrigeration Test Kit Plus is like a superhero for fixing and checking air conditioners and refrigerators. It comes with cool tools that talk to your phone or tablet!

Here's what's in the kit:

1. Two high-pressure gauges (called testo 549i)
2. Two thermo hygrometers (called testo 605i)
3. Two clamp thermometers (called testo 115i)

These tools are like helpers for refrigeration engineers. When you use them with your smartphone or tablet, it makes fixing and setting up air conditioners super easy!

The Testo Smart App is like magic. It knows about more than 90 different coolants and helps you figure out things like superheating and subcooling. It can also tell you how much heat or cold power you need.

The tools have a Bluetooth range of 100 meters, so you can move around easily. You can even send your work reports as PDF or Excel files through email.

Now, let's talk about each tool's cool features:

1. Testo 115i (Clamp Thermometer):

   • Measures temperature from really cold to super hot (-40 to +150 °C).
   • It's pretty accurate and tells you the temperature with tiny details (0.1 °C).
   • Works with iOS 11.0 or newer and Android 6.0 or newer.
   • Needs 3 AAA batteries that last for 150 hours.

2. Testo 549i (High-pressure Gauge):

   • Measures pressure from low to high (-1 to +60 bar).
   • Very accurate, just 0.5% off the exact pressure.
   • Works with iOS 11.0 or newer and Android 6.0 or newer.
   • Needs 3 AAA batteries that last for 130 hours.

3. Testo 605i (Thermo hygrometer):

   • Measures temperature and humidity.
   • Works in a good range of temperatures (-20 to +60 °C).
   • Needs 3 AAA batteries that last for 150 hours.

Remember, the tools are black and orange, and they're made of plastic. You can keep them in a temperature range from -20 to +60 °C when not using.

If you want to learn more or need help, check out the instruction manuals in the kit. They're like guides to make you a superhero in fixing coolers!