It's around-heat safety and around-cost security that makes it safe to work with and go away unattended even even though charging. The display is Total-Color TFT OLED which is the same types applied on cellular products. If you'd like to cut out the need to drip or refill your tank https://boxmodvape60247.wikiap.com/671687/5_tips_about_box_mod_vape_you_can_use_today