Pioneer4You is at the forefront of the vape industry. They pride themselves on producing some of the best quality and most technologically advanced products on the market. The IPV D2, IPV3Li, and IPV4s temperature control mods are some of the best selling mods on the market. These mods consist of different features making vaping easy and convenient. Some of these features include coil recognition, memory settings, temperature control, wattage control, overheating prevention, reverse battery protection, low resistance warning and more!