Electronic Specialties Inc 685 Current Probe Multimeter. The #685 is ideal for measuring current on: parasitic drains, fuel injection systems, fuel pumps, charging systems, electric motors and more. Also measures AC/DC volts, resistance, frequency, duty cycle, capacitance, diodes and continuity! This is a great tool for all types of electrical troubleshooting. Capable of measuring as low as 10 milliamps! Features: 35 Testing Ranges, Auto Power Off, Auto-Ranging, Data Hold, Continuity Beep, Overload Protection, 10 Meg/Ohm Impedance, 9 Volt Battery Included. TEST RANGES: DC Amps: 0-40A (res .01A), 200A (res .1A), AC Amps: 0-40A (res .01A), 200A (res .1A), DC Volts: 0-400mV, 4V, 40V, 400V, 600V, AC Volts: 0-4V, 40V, 400V, 600V, Ohms: 0-400, 4k, 40k, 400k, 4M, 40M, Continuity: Audible Beep, Frequency: 0-10Hz, 100Hz, 1000Hz, 10kHz, 100kHz, 1000kHz, 10MHz, Duty Cycle: 0-.1%-99.9%, Capacitance: 0-4nF, 40nF, 400nF, 4uF, 200uF, Diode: Diode Test.