Brand: Allstar Performance Manufacturer's Part Number: ALL10742 Part Type: Levels Product Line: Allstar Performance Digital Levels Automotive Fittings Part Number: AAF-ALL10742 UPC: 848238002690 Level Type: Digital Level Material: Plastic Power Supply: Three CR2032 batteries Quantity: Sold individually. Description: Allstar Performance digital levels can be used to measure the angle of a single straight surface, or the angle of a joint between two straight surfaces. Built-in magnets on each unit's base can attach firmly to many surfaces you need to measure. The LCD screen offers increased visibility, and the displayed readouts rotate to right side up when your level is in an upside down position. Allstar digital levels are available in two sizes, and both are powered by three 3 V CR2032 batteries (included).