1)laser marking instrument 2)precision:+-1nm/10m 3)return zero time:5 seconds 4)laser light:4V1H1D

(1)product mane:laser marking instrument;

(2)precision:±1nm/10m;

(3)return zero time:5 seconds;

(4)laser light:4V1H1D

(5)laser light source:a wavelength of 635nm, under the point of 650nm

(6)auto-leveling range:±3º

laser marking instrument