Firstsing e-cigarette watt box mod battery defender e-cigarette with screen digital display
Variable Voltage from 2.5V to 8.5V
Variable Wattage from 7W to 30W
Spring electrode
Capacity: 2200mah
Micro USB charging, 510 thread
OLED screen shows wattage, voltage, resistance
Switch the VV/VW mode, press the power button for 3 times to switch
Support 0.3 ohm at Minimum
Color: Black, Silver, Blue, Red, Gold
Packing:1*Battery, 1*USB Cable