SNDWAY SW-T10S Laser Digital Mini Rangefinder Laser Ruler Specification 1. Measuring range: 0.05~40m0.05~60m0.05~80m0.05~100m 2. Acurracy: +-2mm 3. Laser class: Class II 4. Laser maximum output: <1Mw 5. Dust & Splash proof: IP 54 6. Laser Auto off: 20s 7. Power Auto off: 3min 8. Operation temperature: 0~40C (32~104F) 9. Storage temperature: -10~60C (14~140F) 10. Power supply: 2 x 1.5V AAA battery (Not included) 11. Size : 112x50x25mm 12. Weight (without battery): 90g Details 1. Brand name : Sndway 2. Instant measurement of distance, area & volume with one button operation: YES 3. Self Calibration : YES 4. Wide measuring range : YES 5. Measurement range : 80m 6. Measurement accuracy : 2mm (0.079 inch) 7. Model number : SW-T10S 8. Automatic calculation of Area and Volume: YES 9. Indirect measurement by Pythagorean Theorem: YES 10. SingleContinuous measurement: YES 11. MaxMin distance tracking (display value): YES 12. Easy Addition Subtraction of measurement: YES 13. Set up front rear benchmark: YES 14. Selectable meter(m), inch(in) and feet(ft): YES 15. Data store recall function: YES 16. Data Hold Data clear function: 30 units 17. Air Bubble Level: YES, Included 18. Easy targeting with bright laser pointer: YES 19. Large LCD with backlight and multi-line display (4 lines): YES 20. Auto correction and error report technology: YES 21. Buzzer indication: YES 22. Battery status Indication: YES 23. IP54 protection (dust & splash proof): YES 24. Auto Manual power off function: YES 25. Multifunction with intelligent calculation: YES 26. Compact & handy design: YES 27. CE, ROHS, FCC certificate: YES 28. Power type : Battery-powered