Geekvape Aegis Boost Kit is a military grade device, which can be used for both salt nicotine and freebase liquid. Geekvape Aegis Boost works with 1500mah battery with max 40W output. Aegis Boost Kit adopts AS chip with IP67 waterproof, shockproof and dustproof and is equipped with 0.42 inch OLED screen to show vaping information. Aegis Boost features top filling design and two separate coils to support MTL and DTL vaping.