Features: Small size and lightweight, easy to carry. It can test current and voltage. Voltage Measuring range: for DC 9 - 48V Current Measuring range: for DC 0 - 10A Voltage resolution (V): 0.1V Current resolution (A): 0.01A Measure accuracy: 1% ( 1 digit) Dimensions: 3.7X1.5x2.9cm Color: Red,Green,Blue(optional) Material: Plastic Operation Temp: -10-+65 Input and output common positive,In the middle is the output negative,The outermost is the input negative. Package include: 1 x Digital Voltmeter Ammeter Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping!