laser line length **0,**0,**0,**0,***0cm can be chosen.

1,sigle line laser positioning lamp light length: *0 centimeters, *0 cm, *0 cm, 1 m, 2 meters, 4 meters, six meters, 8 meters, *0 meters, *2 meters, *5 meters, *0 meters optional;
2, reticle laser positioning lamp light length: there are *0 cm x *0 cm, *0 cm × *0 cm, *0 cm × *0 cm, *0 cm by *0 cm, 1 x 1 m, 2 x 2 meters, 3 x 3 meters, 5 meters x 5 meters, 8 x 8 meters optional;
3, light colors: red, green, and blue lights optional;