Led display indicates condition, for 12v battery only.
Alternator state check, battery state check, check before charge and overload display.
Alternator check : accelerate your engine to 2000 rpm when the green light is lit ,charging circuit is ok.
Battery check: indicate the percentage charging in the battery .
Charger check: when green light is lit, charging is complete.
item weight 1.6 ounces
product dimensions 8 x 2 x 1 inches
item model number tl120207
manufacturer part number tl120207