Distance Measure Large Backlit Display Meter 70M Portable Handle Range Finder Measurement Tool Device X‑70 Item Type: Distance Measure Model: X-70 Measuring Range: Approx. 0.05 ~ 70m / 0.2 ~ 229.7ft Measuring Accuracy: ±2 mm Display Accuracy: 1 mm Grade: Level 2 Power: <1mW Area Volume Measurement: Yes Pythagorean Theorem Measurement: Yes Addition and Subtraction: Yes Storage Function: Yes Continuous Measurement: Yes Maximum Min Measurement: Yes Multi Line Display: Yes Data Storage: 20 Groups Waterproof Class: IP54 Operating Temperature Range: 0℃ - +40℃ Storage Temperature Range: -10℃ to +50℃ Battery: 3 x Rechargeable AAA battery Automatic Off Time: 30 Seconds later Automatic Shutdown Time: After 3 minutes Size(LxWxT): Approx. 110 x 50 x 26mm / 4.33 x 1.97 x 1.02in