Steam Crave HADRON 220 YIHI Chip Box MOD! Powered by dual 21700 batteries, it reaches a maximum output of 200W. The HADRON 220 is perfectly compatible with tanks or drippers with diameter from 25mm to 35mm. Moreover, powered by advanced Yihi SX490 chipset, the HADRON 220 adopts various protections to bring a safe vaping experience to you. Just pick this voltage-adjustable Box MOD up for your atomizers!