The Uwell Crown 5 is a sub ohm vape tank and part of the popular Crown tank series.
Featuring a 2ml e-liquid capacity, the Crown V features self cleaning technology as well as a simple to use top fill with a quarter turn cap design rather than a full screw off threaded one.
The adjustable airflow is at the bottom of the tank and allows for a fine tune to the draw to get the perfect balance between flavor and vapor. 
TPD version of tank comes with 2ml Glass. No Bubble Glass included in package.
Features;
Sub Ohm Direct To Lung Tank
2ml  Capacity
Self Cleaning Technology
510 Connection
Top Fill
Bottom Adjustable Airflow
Crown 5 Coil Series Compatible
Package Contents;
1x Uwell Crown 5 Tank
1x Uwell Crown 5 0.23 Ohm Single Mesh Coil
1x Uwell Crown 5 0.30 Ohm Dual Mesh Coil
1x User Guide