This device is designed for testing the voltage and ohm resistance of vape pens, mods, and atomizers.
- Right Side = Ω : Ohm Measuring Range 0.01 - 9.99 Ohm
- Left Side = V : Volt Measuring Range 0.01 - 9.99 V
Ports are 510 threaded and it comes with a 510 to 510 adapter.
Works for my needs perfectly with no issues!