laser level: 

1.wavelength:650nm; 

2.output power of laser beam:¡Ü1mw or¡Ü5mw; 

3.measure range of cross laser beam:3m-5m(in different brightness condition);

4.measure range of laser point:30m-50m(in different brightness condition);

5.accuracy of laser point:+_5mm/10m; 

6.accuracy of horizontal,vetical,45¡ãacclivitous and cross laser beam:+_3mm/3m; 

7.accuracy of the leveling vial:0.057¡ã(+_1mm/m); 

8.power:2*7batteries;

9.thickness:1.25mm     600MM/24"