Review on 📏 atolla Laser Distance Meter (196 Ft M/In/Ft) - High Accuracy (±2mm), Mute Function, Waterproof IP54, Bubble Level, LCD Backlit, Pythagorean Mode for Measuring Distance, Area, Volume by Thomas Landis

Good product, much cheaper than big brands (just slower). I checked the accuracy with a ruler: both the top and bottom meter readings are accurate (the bottom meter reading only adds 12.2 cm to the measurement). I chose this one over other laser gauges for the price because it can read fractions of an inch and I couldn't confirm from the photos in the listing that others were able to. Tips/Tips: * The Add/Subtract button for straight line measurement works by taking the first measurement by pressing +/- and then taking another measurement. For subsequent measurements it remains in +/- mode. first set of measurements, then press +/- and then take another set of measurements. When the result of the second series of measurements is displayed, you must click Read to return the result. If you then wish to continue adding/subtracting, you must press +/- AGAIN for the selected mode and take the next series of measurements. If you press Read on the results screen without pressing +/- again, you will return to the straight line measurement mode (this is quite unexpected since subsequent measurements without the +/- mode will remain in the special mode you selected).* Only the device setup is saved when the power is turned off. Settings menu: In the power off state, press and hold the "On” button for 3 seconds until "loading” appears. To change the parameter value, short press "On”. ).Here are the settings in order and what they do, default in [brackets]:1. Activate when read: [Yes], indicated by the laser pointer icon in the top left corner, No, indicated by the no laser pointer icon. If yes, the measurement will be ready for measurements the first time you turn it on (you only need to press "Read” once). , instead of activating the laser pointer once and then measuring again).2. Calibration: [CAL. 0]. I don't know what it concerns and I don't recommend changing it.3. Power on mute: [on], beeps by default, off, is muted by default.4. Enable backlight: [on], the backlight turns on, off, the backlight doesn't turn on.