1.Built-in three digit display allows you to visually adjust your voltage
2.Output Voltage: adjustable from 3.0v~6.0v  in 0.1 volt increments
3.Discharge voltage: 6v~8.4v
4.quiescent current: <100uA
5.Step-down regulator
6.Battery: stacked 2 pcs IMR Nipple 600mah 18350 battery
7.VMax can handle 5Amps or even bigger current

8.Protection against short   circuit.Protection against installing the battery backwards.The mod monitor the battery voltage and automatically shuts off when the battery is discharged.

Available user setting :
Power adjust up
Power adjust down
Power on/off
battery Check
Atomizer ohm check
LED on / off

push button , no matter