What is on the body of Presa TC40W mod?

The Wismec Presa TC40W has a 510 spring loaded connector, which can be compatible with most of atomizers. Next there is a safety lock switch, and then there is a UP/Down adjustment buttons and the fire button. On the middle of the mod, there is an OLED Screen, and you can see the parameters of vaping anytime. In the end there is a heat dissipation hole near the bottom, so that your mod won’t be go too hot while vaping.