Variable wattage from 7W to 50W
Spring loaded 510 thread
Material: Aluminum alloy
Battery: Single built-in 18650 battery
OLED display
Wattage / voltage / power capacity / resistance can all be showed on OLED screen
It can detect resistance of atomizer automatically
Short circuit protection / shutoff protection / overcharge protection
Support 0.3-3.0 ohm atomizer
Portable charger for phone