Electronic Cigarette , Variable Voltage E Cig 18650 Battery 3.0V to 6.0V Lave Tube VV

(1) Well and High Quality Control
(2) Prompt Delivery
(3) New Product
(4) Customer's Designs and Logos are Welcome
(5) Competitive Prices
(6) Earth-friendly Products
(7) In a Variety of Designs
(8) Small Order Acceptable
(9) ODM Accepted
(10) OEM Accepted

New function:
There are four buttons on the 18350 VV Mod:
1. "+" button, on press you can increase the voltage from 3V-6V, when you reach 6 V it starts back at 6V
2. "-" button, on press you can decrease the voltage from 6V-3V, when you reach 3V it starts back at 6
3. When you press the "+" and "-" buttons more than 3 seconds at the same time, you can lock the output voltage, when the output voltage in lock, press the "+" or "-" button can't adjust the voltage, then you deblocking, it can work.
4. On/Off button, press and hold for more than 3 seconds to turn on device, press and hold for more than 3 second to turn off device. When you turn on the device, press more than 5 times in 3 seconds, the screen disply the battery voltage, in other word it show me the power of the battery, you don't press it in 2 seconds it will back to show the output voltage.
5. The biggest button, when you want to smoke, press the biggest button, then you can use it. It's easy to control. Stop to press this button, the output stop. And if press this button more than 5 times in 2 seconds, it will show you the atomizer's resistance. When the device short out, the screen show "0", if the open circuit appeared, the screen show "F 1".

When the battery voltage below 3V, the output will stop, the blacklight will flash 10 times, it means that you have to charge the battery.