It is 120 V ac.

It is enough to kill you or start a fire.

Be sure your heater cord is solid and your extension cord is 12 gauge minimum.

Be sure you are plugged into a GFCI protected outlet.

Be sure the outlet is equipped with a weather proof while in use cover if it is exposed to weather.

Be sure to properly stow your cord so it is not damaged while driving.

__________________
The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech