Bright red with the biggest battery in the STIIIZY Pro series. The Pro XL holds 550mAh, so it goes longer between charges than the standard Pro. STIIIZY pods click right in. You can draw to fire it, or use the button. There are three power settings, Low, Medium and High, plus a preheat function that warms the oil first. The LED shows your setting, battery level and when it's active. It charges over USB-C. Battery life depends on the power setting you use, so lower settings stretch a charge further.