Ah, don't blame you, it's very nice! But you've inadvertently posted in the trading post hardware section where members advertise gear for sale or trade.
If you don't mind, I'm gonna move it to a more appropriate place.
Your tank is called an Eleaf Mello 3 mini. I got one too with my Pico kit. I retired it quick style as soon as I tried the Smok Baby Beast. I was blown away actually.