User instructions:  We use famous chipset brand ST in the board of Steam Crave Squonk MOD, which is same IC as YiHi board.

Spring load connection and no leakage        Brighter OLED display        Auto-lock function removed         TC coil detect problem  solved（firmware bug problem)

Caution:                  The screen will only  display actual wattage, not set wattage in power mode. If your battery power  is not enough to support your wattage setting(below 20%)

or if your battery is not high quality, wattage displayed on screen  will reduce to be actual wattage automatically.