Wismec Luxotic MF Box Mod comes with optional ergonomically designed circuit boards, providing you with both Squonk Box System and Common Box Mode for your preferences. One edition is direct output board with faddish indicator lights and the other is variable voltage board with a 0.91inch OLED screen. It can be powered by not only by single/dual 18650 cells but also single 21700 high-rate cell. Its Max output can reach 100W. With all ergonomic designs, you could control everything. Main Feature: 1. Humanized design of two circuit boards 2. Both squonk mod and common box mode 3. 100W max output 4. Support 18650/21700 cell 5. Multiple circuit protection systems applied Physical Parameter: Size: 47.5*27.6*87.0mm Thread type: 510 spring loaded connector Squonk e-liquid capacity: 7ml Cell type: high-rate 21700/18650 cell Max output wattage: 100W Packing list: 1 x Luxotic MF Box(with screen/without screen) 1 x Battery Sleeve 1 x Connector 1 x Silicone Case 1 x Magnetic Plate 1 x User Manual 1 x Warning Card Spare Parts