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The Haka in-line ohm reader, voltage meter, and wattage meter from Oakley shows you everything you need to know about your atomizer in real time, while attached to both your RBA/Clearomizer and your battery. Great for troubleshooting, checking your atomizer resistance, or figuring out what the device you built is actually delivering. Also great for testing batteries true output or checking to see if you have a bad atomizer.
Constructed of stainless steel with an easy to read LED display, this screws inline via a 510 threaded connection on the bottom, with a female 510 / male EGO connection on top to fit most tanks Available in silver or black.