Innokin RipTide with Innokin Crios sub-ohm tank is a perfect combination of simplicity and performance. Riptide kit is a compact tube style e-cigarette, which makes it ideal for beginners and advanced users. Riptide has a built-in battery with 24 mm in diameter and 3000mAh of vaping capacity. This e-cigarette can fire up to 65 watts. The battery is a hexagram shaped fire button, which indicates battery status and turns the device on or off by pressing it 3 times. The Crios tank is one of the best sub-ohm tank Innokin has made, and it has 2ml or 4ml of e-liquid capacity. Innokin Riptide kit will definitely bring you an amazing direct to lung vaping experience.