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The E-LVT Mod appears to use the Innokin system. One button to fire and two to turn the voltage and wattage up and down. Press the up and down buttons at the same time to view the resistance (ohms) of the atomizer. Hold the buttons down a little longer and it will lock the controls for you. As typical with Innokin stuff, there's a green/yellow/red light to let you know how much is left in your battery. Theres also a mini USB in to charge the device, a USB out to use the mod to charge other devices and an on/off switch for the USB output.

The E-LVT mod is easily comparable to the Innokin MVP mod, except for one thing; the ability to change out the battery, which is huge for the modding community. A slot for an 18650 battery means lots and lots of vaping. The battery is concealed behind a rubber compartment held on by an allen screw. Holding the fire button and the plus button will change it to watts, hold fire and negative to go to volts.