150 mm Max Measurement Precision: 0. 02 mm Resolution: 0. 01 mm (2 decimals) Accuracy: 0. 02 mm (100 mm ) Repeat-ability : 0. 01 mm Max Meas. Speed: 1. 5 m/secMeas. System: Linear Capacitive Measuring System Display: LCD Battery: One Silver Oxide SR44, 1. 55V or 3V