Featuring an 8-stage battery resolution, this battery display allows you to visually see the battery level and send a warning when the battery level is low. Not only does it have a digital display, but this meter head also automatically recognizes voltage and power levels and accurately tests voltage, as well as having a reverse connection protection function to effectively protect the safety of the circuit. It is constructed of plastic material. The length of this product is 48mm, the width is 29mm and the height is 16mm. Cars, motorcycles, trucks, or solar power generation systems can all be applied, this power tester has a wide range of applications. Item Name: Power Tester Material: Plastic 8 Power Bands: 10%, 25%, 40%, 50%, 60%, 75%, 90%, 100% Operating Current: 5mA to 15mA Refresh Speed: Approx. 300ms/Time Display: Three-Dimensional 0.56 LED Digital Tube Accuracy: 1% Operating Temperature: -10 Degrees Celsius to 65 Degrees Celsius Working Humidity: 10% to 80% Input Voltage: 12V to 60V Lead Wire Length: 15cm Features: LED Digital Display, Low Power Warning, Reverse Connection Protection Size Details: L: 48mm/1.89", W: 29mm/1.14", H: 16mm/0.63"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Power Tester