Can be used as both a voltage and ammeter - 2-in-1 design, voltmeter and ammeter to get data at the same time. LED allows you to read clearly - LED display design provides you with fast reading, allowing you to easily distinguish between voltage and current. High-quality materials - This product is made of high-quality materials, dust-proof, reliable and durable, and can be used for a long time. Measuring range - Voltage measuring range DC 0-100V, current measuring range DC 0-10A. Protection - With reverse polarity protection and common ground design, there is no need to worry about damage caused by reverse polarity. Easy to install and use, suitable for a variety of purposes. Delivery Quantity: 2pcs Package Contents: Only the above package contents, excluding other products. Size: 4.8*2.1*2.9cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)