Klein Tools Compact Laser Distance Measure ( 1mW/ Laser Class 2) provides fast and accurate measurements up to 100 feet (30.5 m) with 1/8-Inch (0.3 cm) accuracy and an accuracy of 1/16-Inch (0.2 cm) for the first 30 feet. This compact design fits in a safety vest or shirt pocket to easily carry around a jobsite. The unit automatically saves the last two measurements on the LCD display screen to quickly compare past measurements.Warnings DO NOT use the instrument if it appears to be damaged. DO NOT modify the instrument in any way, as to do so could result in emission of hazardous laser radiation than could result in severe eye injuries. See instruction manual for additional warnings. Exposing eyes to laser radiation can result in severe and permanent eye injuries. NEVER look directly into the laser beam emitted by this instrument. Features Change the measurement starting point from the top or bottom of the device for faster readings Highly visible reverse contrast LCD display for improved viewing in low light conditions Quickly compare the latest measurement with the last 2 measured distances that were automatically saved on the LCD screen Laser Distance Measure has lightweight design with pocket clip that makes it easy to carry around a jobsite Class 2 Laser automatically shuts off after 30 seconds to save battery Toggle between inches, feet and inches, and meters for more precise measurements Record a single-distance measurement or continuous measurements with a click of a button Measures from 2-Inch (5.1 cm) up to 100-Foot (30.5 m) with 1/16-Inch (0.16 cm) accuracy for the first 30 feet and accurate to 1/8-Inch (0.32 cm) up to 100 feet (30.5 m) Designed with a lanyard anchor to attach the unit to a tool bag or tool belt; lanyard not included Reverse Contrast LCD Display; Auto-Off Audio alerts when measurement is taken and sound can be disabled Range: 2 in to 100 ft (5.1 cm to 30.5 m) Accuracy: +/- 1/16 in up to 33 ft (+/- 0.2 cm to 10 m); +/- 1/8 in up to 100 ft (+/- 0.3 cm to 30 m) Laser Class: Class 2 Laser Power: 3 1 mW Batteries: 2 x AAA Auto Shut-off: After 30 seconds Height: 4.7 in (11.9 cm) Width: 1.1 in (2.8 cm) Overall Length: 1.3 in (3.3 cm) Depth: 4.7 in (11.9 cm) Weight: 0.137 lbs (62 g) Material: PC/ABS; Silicone Rubber Display: Reverse Contrast LCD Display Ingress Protection: IP54 Measurement Standard: Metric, SAE DownloadsSpec SheetVideo DownloadSafety Data SheetInstructions93LDM100C Instructions WR.pdf