Blue Sea AC Multimeter, Comes With Alarm Displays amperage from 0 to 150 Amps Displays voltage from 80 to 270 Volts Displays power from 0 to 35 Kilowatts Displays frequency from 40 to 90 Hertz High and low voltage and high amperage alarms, both audio and visual 3 levels of display brightness Programmable sleep mode blanks display for power conservation Splashproof front