Aspire NX100 is an elegant TC MOD with refined lines and high-level design accents. The five button system is ultra-intuitive with one-button navigation between TC and VW mode. The NX100 also features logo customization & child lock, upgradable firmware and color settings. Moreover, you can use either 26650 battery or 18650 battery with Aspire NX100 MOD. It is a high quality device for your to enjoy vaping.