1. Measure rang: 0.30m;171;60m 2. Resolution: 0.001 3. Accuracy: ;¨¤1.5mm 4. Measure speed: 0.5sec. 5. Laser type: 635nm, class2, ¡ê188;1mw 6. Battery: 2;¨aa batteries 7. Battery life: up to 10, 000 measures 8. Dimension: 121mm;¨51mm;¨30mm 9. Operation temperature: 0;171;40;230; 10. Storage temperature: -10;230;;171;60;230; 11. Automatic switch-off, laser: 30seconds device: 180seconds