The Innokin Cool Fire is a great entry level mod and in its time it was a very popular device. The kit comes with one stainless steel CoolFire 1 mod an a iClear 30S tank atomizer. This is a relatively small device and only requires one 18350 battery, if you want to use 18650 battery’s you can purchase an extension tube for the Cool Fire 1.
The Cool Fire mod has a number of safety features including a built in 7 amp fuse, short circuit protection, and reverse battery protection. The body is vented and also features an LED battery power display and a top 510 connection.