This is authentic Eleaf iStick TC40W mod
Adopts newly introduced technical element of temperature control
510 Threaded
Clear OLED display
Accurate reading of resistance: The reading of resistance becomes more accurate with the number down to the second decimal point.
Stainless steel threads and spring connector
Micro USB Charging Port
Battery Capacity: 2600mAh
Wattage Range: 1-40W
Rated resistance range: 0.05-1ohm (TC mode), 0.15-3.5ohm (VW mode)
Temperature range: 100－315℃/200－600℉ (TC mode)