Features 1、Made of premium plastic and metal, this product is rugged and practical 2、The flat right angle shape is equipped with a red LED display, and the data display is clear and intuitive 3、With a universal case, it is compact and easy to use 4、The measurement is accurate, the performance is stable, and the utility is strong 5、The installation method is simple and convenient, easy to operate, and has a wide range of applications Specification Features: Made of premium 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 the utility is strong. The installation method is simple and convenient, easy to operate, and has a wide range of applications. Specifications: Material: Plastic, Metal Model: 5135A Range: DC50mV/DC100mV/DC200mV, DC500mV/DC1V/DC2V (Optional) Display Accuracy: ±0.3% Measuring accuracy: ±0.5% F.S±2digit 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%RH Power Supply: DC5V±0.2V/150mA Installation: Panel Mounting Size: approx. W79mm*H43mm*D24mm / 3.1*1.7*0.9in Package list: 1 * Voltmeter 2 * Wires Package List