TESLA Punk 85W Mod overall adopted punk style design, looks cool and handsome. It features a unique steampunk design with transparent windows on both side of the device. The Tesla Punk can fire up to 85 watts and features temperature control modes supporting Nickel 200 (Ni200), Titanium (Ti) and Stainless Steel 316 (SS) coils. This device also features the Temperature Coefficient of Resistance (TCR) and taste modes as well. It requires one high amp 18650 batteries (sold separately) which are replaced using the magnetic slide out battery door cover. Teslacigs PUNK 85W KA/TC/TCR Box Mod Features and Specs: Dimension: 44*30*86mm Material: Zinc Alloy +ABS + PC Cell Type: One Hi-Rate 18650 cell (discharged current should be above 35A) Output Mode: KA/TC-SS316/ TC-Ni200/TC-Ti/TCR mode Output voltage: 8.5V Max Output Current: 30A USB: 5V/1A Taste Mode: Norm/Soft/Hard/User Memory Mode: M1/M2/M3 Resistance Range: 0.1-3.0ohm for Ti/Ni200/SS316/TCR mode Temperature Range: 100-300℃/200-600°F