IJOY RDTA Box Mini all-in-one kit includes a removable tank which can hold 6ml e-juice capacity and a 2600mah built-in battery. It supports RBM series interchangeable deck system. Vapers also can use this kit as a separate box mod. The large OLED screen can display important parameters of device. It can fire up to 100w max output. On the top of box has a big size of filling hole to refill liquid. The tank also with white LED light, help to check juice level and cleaning condition. This kit also supports firmware upgradeable.