Gerbing 12V Single Zone Temperature Controller (knobbed) GER-12V-All The battery has 4 heat-settings

The battery has 4 heat-settings as indicated by lights and Heat Times:

Pair with Single Controller Case

Step 3: Turn on the battery by holding the power button until it lights up

this jacket becomes a true 4 season riding masterpiece

Heats your hands and fingers

Gerbing 12V Single Zone Temperature Controller (knobbed) GER-12V-All The battery has 4 heat-settingsThe Single Zone Portable (Knobbed) Temp Controller allows you to control a single article of heated clothing or a single temperature heated clothing zone which is created when linking 2 products (e. g., heated jacket liner and heated gloves). Gerbing Single Zone Portable (Knobbed) Temp Controller: Easily control temperature levels for ultimate comfort Knob controls ensure that your heated clothing uses only as much power as requested Digital numerical