... Voltage 2.Great Performance 3.CE ROHS SGS 4. ... : 1. working voltage from 3.0V to 6.0V,2. ... resistance, and Display voltage, power,3. Fit atomizers with resistance 1 ... pressing the “-”button more than 3 sec, the LCD screen displays ... least once the voltage is 3.0v, and it will ... the voltage is 6.0v.3. Keep pressing the + button ... Certificates available: CE, RoHS, SGS 3.Terms of payment: PayPal, western ...