1. One-button operation 2. Single measurement 3. Post measurement reference 4. Unit conversion 5. Dual measurement methods 6. Portable and compact Specifications LM40T Display type LCD Screen size 1.2 inches Range 40m; tape: 5m Min. display unit 0.001m measurement base Rear Accuracy ± 2mm Laser class 2 Laser type 630 ~ 670nm, < 1mW Features Single measurement v Continuous measurement v Auto power off v Auto laser off v Battery status display Drop test 1m General Features Power 1.5V battery (LR03) x 2 Product color Red and gray Product net weight 305g Product size 86 mm x 50 mm x 80 mm Standard accessories / Standard individual packaging Gift box, English manual Best prices on Electronic Aquarium. - Uni-t