Model : CD770 Digital Multimeter Brand : Sanwa 3-3/4 digits 4000 count Easy To Read Large LCD Thermo Plastic Elastomer, High Resistance Against Drop Shock Safety Cap On Current Terminal Data Hold, Range Hold, Relative Function Continuity Check, Diode Test Auto Power Off Function (30 Min.) Display : Numeral Display 4000 Sampling Rate : 3 Times/ Sec. AC Frequency Bandwidth : 40〜400Hz (Sine Wave)