Display: 0.28" LED digital 
Display color: Red (dual display) 
Operating voltage: DC 4.5 ~ 30V 
Measure voltage: DC 0 ~ 100V 
Minimum resolution (V): 0.1V 
Refresh rate: ≥500ms / times 
Measure accuracy: 1% (± 1 digit) 
Minimum resolution (A): 0.01A 
Operating Current: <20mA Operating temperature: -10 to 65° c 
Operating Humidity: 10 to 80% (non-condensing) 
Mounting cutout: 45.5 x 26.5mm 
Dimensions: 48 x 29 x 21mm