Description Features: High accuracy. Wide measuring range: 50-500V for DC, meet your need. Small size, lightweight and compact, convenient to use. 0.56inch digital LED display, you can see the result clearly. Voltmeter is designed for AC circuit voltage test, such as electricity test, voltage monitoring and more. Specifications: Material: ABS Working Voltage: AC50~500V Voltage Measurement Range: AC50~500V, Error: 5V Wire: XH-2.54-2P Red and Black Wire (Thin Wire Total Length: 155mm) Red wire is connected to live wire and black wire is connected to neutral wire. Product Size: 47.55x28.62x20.00mm/1.87x1.12x0.79in Installation Hole: 45.50x26.07mm/1.79x1.03in Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Main Table 1x Power Wire