Specifications: The dial of this ammeter is silk-print with scales that is black on a white background and red pointers, the scales are clearly visible, and the colors are very vivid. This is embedded installation, wiring is simple and convenient, which is durable to use. With high insulation strength, it can withstand a sine wave AC voltage of 2kv with a frequency of 50Hz and a withstand voltage test lasting 1min. Mainly used to directly measure the current in electrical circuits, which has simple structure and beautiful appearance. It can be used on some power equipment and electrical equipment in the power transmission and distribution system. Item Name: DC Pointer Ammeter Material: Plastic Style: A Type: (DC0-1MA), B Type: (DC0-5MA), C Type: (DC0-10MA), D Type: (DC0-30MA), E Type: (DC0-50MA), F Type: (DC0-100MA), G Type: (DC0-200MA), H Type: (DC0-300MA), I Type: ( DC0-500MA), J Type: (DC0-2A), K Type: (DC0-3A) Product Use: Measuring Line Current Installation Method: Suitable for Vertical Installation(Except for Special Regulations) Storage Temperature: -40 Degree Celsius to 70 Degree Celsius Accuracy Grade: ±2.5 Percent Insulation Resistance: More than 20MΩ/DC500V Damping Time: Less than 4S Working Environment Temperature: -20 Degree Celsius to 40 Degree Celsius Relative Humidity: Less than and Equal to 85 Percent Features: Clear Scale, Easy to Install, High Insulation Strength, Simple Structure Size: 6.3cm x 6cm x 5.5cm/2.48" x 2.36" x 2.17" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x DC Pointer Ammeter