implementing an integrated 800mAh rechargeable battery, plug 'n' play coil installation system, and three different types of coil options for the ultimate MTL experience! Constructed from durable zinc and aluminium alloy, the Sigelei eTiny Plus Starter Kit integrates a 800mAh rechargeable battery safely tucked away into the chassis construction, providing a classy look with ergonomic operations. The included eTiny 2 Tank implements a compact 17.5mm diameter chassis with 2mL capacity of today's . The internal coil structure utilizes a plug 'n' play coil installation system that is easy to use and access, simply pulling and reinserting the new atomizer head at the top. Each full package includes two types of coils, a 1.3ohm MC Ceramic Coil rated for 10 to 15W and a 1.3ohm S2 Coil rated for 8W to 20W. Attached to the base is a multi-hole airflow control ring that is metered by the top cap, possessing a dual stepped airflow control to carefully allot and subtract airflow that is rushing through the coil structure within, allowing for optimized Mouth-to-Lung (MTL) use with optional Direct-Lung (DL) hits for maximal cloud production.