Pyle PLDM18 Handheld Laser Distance Meter with Backlit LCD Display and Direct/Indirect Volume/Area Measuring Accuracy: + / - .06 " Takes Readings From Any Angle In Any Light Extra-bright Built-in Backlit Lcd Display Measuring range: 130 ft. - Continuous measuring - 5.1in x 2.16in x 1.1in Accuracy: +/- 0.06 inch - Reference level option lets you measure from the front or back of the unit Laser class: Class II - Auto-shutoff after 3 minutes of inactivity Back-lit LCD display - Back-lit LCD display for easy reading in the dark, meters/inches/feet/feet inches selectable Addition/subtraction mode - IP54 rated for dust and splash proof.