Features MEASURING RANGE AND ACCURACY: AC display meter measuring voltage from AC60‑500V, accuracy for 1%, with 2 times per second measurement speed of high efficiency ACCURATE AND RELIABLE: Possess the advantages of high accuracy, high stability, high reliability, low power consumption, small size, easy installation, and digital direct reading display voltage SIMPLE INSTALLATION: Two wires of voltmeter can be connected directly to the voltage being measured, and the voltage can be measured without a power supply SMALL SIZE: The voltmeter has an ultra small size of 70x43mm and can be flexibly installed anywhere DIGITAL DISPLAY: Digital electrical measuring instrument is mainly used for real time measurement of the DC voltage in the electrical line, and display with tube digital direct reading mode Specification: Item Type: AC Display Meter Material: ABS Measuring Range: AC60-500V Input Voltage: AC60-500V Output Voltage: AC60-500V Ambient Temperature: -25~+50℃ Measurement Accuracy: 1% Size(LxW): Approx. 70 x 43mm / 2.76 x 1.69in Package List: 1 x AC Display Meter Package List 1 x AC Display Meter