VOOPOO Drag 2 177W TC Kit with PNP Tank Refresh Edition consists of VOOPOO Drag 2 and PNP Tank. VOOPOO Drag 2 features an advanced GENE FIT chip with V0 class fireproofing bridge to block the device from dust, liquid, or burnout. Drag 2 still works with dual external 18650 cells with max 177W output. Voopoo PNP Tank is switchable between the pod and 510-thread tank. PNP Tank is compatible with all PNP coils. And Voopoo PNP Tank also matches VOOPOO DRAG X /VOOPOO DRAG S. PNP Tank adopts double holes Air Intake design and bottom refill.