Specifications:Model: EM203 AC Current (A): 4A (3.0%+10) ;40A(2.5%+10) ;600 A (1.5%+5) ;AC Voltage (V): 400mV(1.0%+10); 4V/40V/400V/600 V (1.2%+10); DC Voltage (V): 400mV/4V/40V/400V(0.8%+2); 600 V (1.0%+2); Resistance (): 400/4K/40K/4M (1.2%+2); 40 M (2.0%+5); Capacitance (F): 5 nF/50 nF/500 nF/5uF/50 uF/100 uF (3%+10) ; Frequency (Hz): 50 Hz/500 Hz/5kHz/100 kHzz (1.0%+3);General Characteristics: Power: AAA Batteries*2pcs LCD Size: 36 * 24mm Product Color: Green and GrayProduct Net Weight: 283g Package Weight: 300g 1.EM203 is a 4000-count AC/DC digital clamp meter with stable performance.2. AC/DC voltage and AC current,resistance,capacitance,diode,continuity buzzer,frequency,temperature measurment.3.Note:This meter is not a True-RMS meter and use indoor ,please know that before you place your order.Features:Display Count: 3999 Jaw Capacity: 28mm Diode: Data Hold: LCD Backlight: Auto Power Off: Continuity Buzzer: Low Battery Indication: