Note 40 meter rangefinders do not have level function. Product Features 1. Accuracy:+/-2mm 2. Multifunctional measurement: eight measurement modes Quick charging: USB charging Anti drop: metal body Fast measurement: 0.1s Lens: optical focusing lens Waterproof: IP54 level waterproof Dust prevention: effectively preventing the machine from entering the dust layer and affecting the use of the equipment Front/rear reference switching Plus/Minus Switch Length unit switching: m/ft/in/ft+in Data storage function: can store up to 20 sets of data Multifunctional measuring instrument 1. Single measurement 2. Continuous measurement 3. Area measurement 4. Volume measurement 5. Pythagorean measurement 6. Addition and subtraction measurement 7. Benchmark switching Color: silver Material: aluminum alloy Package Contents: 1 x Infrared Laser Rangefinder 1 x USB Cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.