Product Introduction Laser rangefinder is a non-contact detection instrument with high measurement accuracy, small size, easy to use, dustproof, moisture-proof, etc. It is mainly used for construction measurement, engineering acceptance, furniture acceptance, fire fighting facilities and other occasions. mini size fits comfortably in a pocket, easy to carry with you Wavelet rate algorithm enhances small signal processing capabilities. High transmittance LD receiving lens, aspherical collimated focusing lens, clearer focusing The high-definition backlit LCD screen adopts a high-definition backlit LCD screen, with clear and delicate display<br><br>Technical parameters 1.Measurement accuracy: ﹢/-3mm 2.Unit: m/in/ft 3. Measuring range (without reflector): 0.03-40m 4. Measuring time: 0.1-3 seconds 5. Laser class: Ⅱ class 6. Laser type: 635nm, Less than 1mw 7. Dustproof and waterproof: OP54 8. Automatic laser shutdown: 60 seconds 9. Automatic shutdown: 480 seconds 10. Illumination: white LED light 11. Measurement reference switching: √ 12.Data clearing: √ 13.Power display: √ 14.Signal strength indication: √ 15.Data storage: √ 16.Continuous measurement (max/min) √ 17.Addition/subtraction (distance/area/volume) √ 18.Area/Volume/Thumbnail measurement function √ 19.Battery type and life time: AAA carbon battery (2 x 1.5V) not included 20. Working temperature range: 0℃-40℃ 21. Storage temperature range: -20℃-60℃ color: Black Material: ABS<br><br>Package Contents: 1 x Distance Meter<br><br>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.