It is a clamp meter for measuring alternating current with 4000 counts. Its resolution is only 10mA and it also measures voltage, resistance, frequency, capacitor capacity, temperature and diode test.
If that wasn't enough, the CM603 Multimeter Clamp also has a built-in flashlight.
Display 4,000 backlit points.
Intensity up to 600 A AC.
Resolution 10 mA.
Ø of the capacity to embrace 26 mm.
Voltage 600 V AC or DC.
Resistance up to 40 MΩ.
Acoustic Continuity, Diode Test.
Frequency and capacity measurements.
Temperature measurement.
Integrated flashlight.
CAT III 600 V / IEC 61010-2-032 &-033.