A sleek device with colorful finishes, the Evic-VTC Mini is powerful yet compact. Up to 60 watts power output with cutting-edge temperature control technology. Requires one rechargeable 18650 battery (sold separately). The battery is easily replaced with the convenient magnetic removable battery cover. Features OLED display, with the following settings: VT-Ti (variable temp titanium mode), VT-Ni (variable temp nickel mode), VW (variable wattage mode) and Bypass (voltage mode). The Variable Temperature (VT) system provides an almost perfect vaping experience with various e-juices, and also decreases e-juice consumption. Proper use of VT system prevents e-juice from being overheated or burned. Built-in settings for Nickel, Titanium or Kanthol coil wires. In Variable Wattage (VW) mode output wattage can be adjusted from 1W to 60W. In Bypass mode, the device has the ability to output a user-selected voltage. Coil resistance must be in the range of 0.15-3.5 ohm to use Bypass mode.