Cooperating with AmbitionZ VapeR - a professional Youtube reviewer from USA, Ehpro newly released a powerful and portable box mod, called Cold Steel 100. Inspired by Yamaha motorcycle, it comes with compact and ergonomic appearance for comfortable hand feeling. The fully metal construction of stainless steel, brass and zinc alloy makes it durable to use. Compatible with single 21700/20700/18650 battery, Cold Steel 100 fires up to 120W output with multiple working modes of PWR/TEMP/ CURVE /VOLT/BYPASS, which can meet different vaping requirements. Together with the convenient micro-USB port for charging and upgrade, multiple protections, this Ehpro Cold Steel 100 is a decent choice for single battery mod lovers. More details, please visit: https://www.heavengifts.com/product/Ehpro-Cold-Steel-100-MOD.html Don't forget to use the code “AHG15” to enjoy the 15% off discount.