Uwell CALIBURN Pod System Features: Dimensions - 110mm by 21.2mm by 11.6mm. Removable 520mAh Rechargeable Battery. Wattage Output Range: 11W. Voltage Output Range: 3.2-4.0V. UWELL Caliburn & Ironfist L 16W Pod System Features: Modified Compact side-by-side design Adjustable power and airflow Multiple coil options of CALIBURN G series Illuminating and decorative side light 2A fast charging Easy auto-draw Interactive LED indicator Built-in safety protection mechanism Pro-focs flavor adjustment technology