Rated voltage: single battery power supply (3.0-4.2V)
Low voltage detection: less than 3.3V before smoking and less than 2.9V during smoking, 1 white light flashes for 6 times and then sleeps< br> Output voltage: constant voltage 3.32V-3.40V (battery 4.2V with load 1.5R output)
Load: 1.2R-3R