It first begins its journey about the mod of SOLUS. Armed with the 700mAh built-in battery with the stable input voltage of 4.2V, it supports the all-day Use. It utilizes a special and incredible LED indicator to play the role of observer and reminder, Flashing in different situations represents different information: when you start or off with your kit, it will flash. Flash two times when you vaping over 10 times because of the 10S over-vaping protection. Shining when you are charging by the micro USB connection, and flash to remind you of full charge. SOLUS features direct inhaling by automatically operated by the air press, delivering a hassle-free experience. All these features have an evolution forward in vaping and are going to surprise you once you hand it.