display：0.28'LED，red +blue color,size：48×29×21 mm,power supply : 4.5V - 30V
Measure range:DC0-100V, Testing current:0-10A
work Current：<60mA,Refresh rate：≥500mS/times,Permissible Error：1%（±1）
Operating temperature：-10～+65,operating humidity：10～80%,working air pressure：80～106kPa

Technical Details

Size (LWH): 5 inches, 3.5 inches, 1 inches
Product Details
Product Dimensions: 5 x 3.5 x 1 inches
Shipping Weight: 0.02 pounds (View shipping rates and policies)
ASIN : B012Q9OYKO