Dual Cobra Unit with two power cords.  Now comes with dual power cord only need one AC outlet.

Best Size Cobra Coil For You?

XL Cobra Coil fits most standard 24-25mm quartz Bucket Styles ONLY "Recommended heat temperature: 500-600 F"

XXL Cobra Coil fits most 30mm Buckets, QCB Scouts & Smaller Slurpers "Recommended heat temperature: 600-700 F"

*NEW v2 XXL Cobra Coil fits 30mm Buckets, XL & XXL Slurpers, HE Towers & Most QCB Scouts Quartz  "Recommended heat temperature: 600-700 F"

* XXXL QCB Charmer Cobra Coil 36mm Wide "Not as tall to make sure joint doesn't get to hot"  "Recommended heat temperature: 600-700 F"

OUR 5Pin XLR Wiring Diagram

Pin1, Pin2 are power for coil;Pin3, TC+;Pin4, TC-;Pin5, Ground;

This Information can be used with DIY controllers.