1、With dual photosensitive apertures, the stability is significantly improved. 2、Very suitable for interior decoration, floor and wall covering, real estates appraisal. 3、The measurement range is 0.05‑60m, providing fast, simple and accurate measurement. 4、Support area, volume, Pythagorean theorem, addition and subtraction, tracking measurement. 5、Small size, light weight, IP54 waterproof and dustproof, easy to operate. Item Type: Distance Meter Material: Plastic Product Model: S60 Measuring Range: 0.05-60m Measurement Accuracy: ±2mm Laser Class: 2M II Laser Type: 620-690nm, <1mW Area Measurement: Support Volume Measurement: Support Pythagorean Theorem Measurement: Support Addition And Subtraction: Support Tracking Measurement: Support Maximum And Minimum: Support Backlight: Support Prompt Tones (Can be turned off): Support Data Deletion: Support Data Storage: 20 Groups Dustproof and Splashproof: IP54 Operating Temperature Range: 0-40℃ Storage Temperature Range: -20-65℃ Battery Life: >5000 Times Power Supply: 2 x AAA LR6 1.5V (Battery Not Included) Automatic Laser Shutdown: 30s Automatic Power Off: 3min Product Size: Approx. 117x52x27mm / 4.6x2.0x1.1in 1 x Distance Meter (Battery Not Included) 1 x Lanyard 1 x Manual