Digital Laser Rangefinder Smart Laser Distance Meter with Single Continuous Volumes Area Pythagoras Measurement Modes Handheld Measure Tool 100m/328ft Specifications: Model: X50 / X70 / X100 / X120 (Optional) Material: ABS Measuring Range: X50: 0.05~50m X70: 0.05~70m X100: 0.05~100m X120: 0.05~120m Measuring Accuracy: ±2mm Display Accuracy: 1mm Laser Class: Class II Laser Power: <1mW Area / Volume Measurement: √ Pythagorean Measurement: √ Addition and Subtraction: √ Storage Function: √ Continuous Measurement: √ MAX/MIN Measurement: √ Multi-line Display: √ Data Storage: 20 groups Waterproof Level: IP54 Operating Temperature Range: 0℃~40℃ Storage Temperature Range: -10℃~50℃ Battery: 3 * AAA batteries (Not included) Laser Auto-off Time: 30 seconds later Machine Auto-off Time: 3 minutes later Item Size: 110 * 50 * 26mm / 4.33 * 1.97 * 1.02in Item Weight: 78g / 2.75oz Package Weight: 157g / 5.53oz Package Size: 15.5 * 11 * 5.8cm / 6.10 * 4.33 * 2.28in