The more wire you have, the greater the resistance.

The thinner the wire (higher gauge number), the higher the resistance per foot. The thicker the wire (lower gauge number), the lower the resistance.

The longer the wire, the higher the overall resistance. The shorter the wire, the lower the overall resistance.

The more heat the wire generates, the more resistance it will create.

Determine the current (amperage) you need to heat your wire.

Refilled natural e-liquid. No Carbon Monoxide, no tar and other harmful substances. The carcinogen levels in electronic cigarettes are up to 1,000 times lower than in tobacco cigarettes.

According to the "Replacement Therapy" which recommended by the W.H.O and the smoking habits can be quit by long-trem smoking e-cigs because it's simulating the traditional cigarette.

No second-hand smoke. Just release safe vapour without terrible smell. Have no bad efect to others. You can use electronic cigarette in public place like airport, cinema, club, etc.

An e-cigarette cartridge is equal to one pack of tobacco cigarette. The same smoking experience, but save more when using electronic cigarettes.