Features: Made of plastic and metal, this product is rugged and practical. The flat right angle shape is equipped with a red LED display, and the data display is clear and intuitive. With a universal case, it is compact and easy to use. The measurement is accurate, the performance is stable and reliable, and the utility is strong. The installation method is simple and convenient, easy to operate, and has a wide range of applications. Specifications: Condition: Material: Plastic, Metal Model: 5135A Range: DC50mV or DC100mV or DC200mV, DC500mV or DC1V or DC2V (Optional) Display Accuracy: 0.3 percent Measuring accuracy: 0.5 percent F.S2digit Response Time: 0.3s Display Range: 0-1999 Polarity display: Only"-" display (Only DC) Display: Red LED (14.2mm H) Operation Temp: 0-60 Operation Humi: 20-95 percent RH Power Supply: DC5V0.2V or 150mA Installation: Panel Mounting Size: approx. W79mmxH43mmxD24mm or 3.1x1.7x0.9in Package list: 1 x Voltmeter 2 x Wires Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.Note: 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.