Digital school ammeter which is perfect for any physics laboratory. Light and portable design with a large LCD display of 3½ digits. Powered by a 9V (PP3) battery (included).DC current range: 0 - 10AmpsResolution 0.01ADimensions: (L)140mm x (W)102mm x (H)108mm (5.5"" x 4"" x 4.25"")