HANMATEK LM40D/LM60D/LM80D/LM50/LM100 laser rangefinder rangefinder area volume measurementcaution:1> We always have enough products in stock. All products come in retail boxes.2> Unle you specify other shipping methods, we will send all packages by registered airmail. All packages have your tracking number.Please show:1: Due to the policy of the shipping company, we have to take the battery away. (Except shipments from Spain and Ruia)2: English, Ruian user manualMaximum measurement range:40M.50M.60M.80M.100MMeasurement accuracy: 2mmUnits of measurement: m/in/ft/ft+inLaser Cla: Cla 2Laser Type: 635nm, <1mWArea, volume measurement: yesIndirect Pythagorean Theorem: YesAddition and subtraction: yesContinuous measurement: yesMin/Max/Value: YesBuzzer: yes4-line backlit display: yesSingle ranging: yesHistorical memory: 99Buttons: Soft rubber buttonsWorking temperature: 0-40 degreesStorage temperature: -10-60 degreesBattery type: AAA 2X1.5V (battery not included)Automatic laser off: 30 secondsAutomatic instrument off: 150 seconds