Sherlock Style Vape Battery

2 clicks to enter the preheat mode; the light will be on until the preheat is finished (10 Seconds) 3 clicks to change the voltage from 3.0v (Green) to 3.7v (Blue) to 4.2v (Red) 5 clicks to turn on/off the device Size: 45mm x45mm x 20mm Capacity: 900mah Built-in USB charger Protection: short circuit /overcharge / overtime