EM580A is the Digital Multimeter.

This autorange digital meter is a battery-powered multimeter with insulation measurement.

Insulation measurement 4000-count large display

Analog bar graph, reading unit indication and backlight

Automatic polarity indication

Manual range mode and autorange mode

Low battery indication

Relative value measurement

Max./Min. measurement

Overload protection

Auto/manual power-off Data-hold mode

MegOhm:0.1~4000MΩ
Test Voltage:250V/500V/1000V
Voltage DC:400m/4/40/400/1000V
Voltage AC:400m/4/40/400/750V
Current DC:40m/400mA
Current AC:40m/400mA
Resistance:400/4k/40k/400k/4M/40MΩ
Frequency:4kHz/40kHz/100kHz
Diode test:approx.3.0V
Continuity:Buzzer sounds <30Ω,>50Ω

Battery:1.5V(AA)×6 Weight:about 620g
Dimensions (W×L×T):100×200×56 mm