Voopoo Caliber P22 AIO Kit is powered by built-in 2000mah battery to support long-time vaping. And Caliber P22 utilizes Intelligent Tricolor indicator to display the power: Green 61%-100%, Blue 20%-60%, Red 0-19%. Voopoo Caliber P22 adopts Brand new GENE.Trio chip and Bottom adjustment airflow system to bring vapers great flavor and safe vaping. What's more, Voopoo Caliber P22 All-in-one Kit supports DTL & MTL vaping to meet vapers' need. The others will update soon.