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

(1)production name:laser marking instrument;

(2)precision:±1nm/10m;

(3)return zero time:5 seconds

(4)laser light:4V1H1D

(5)laser lignt source:a wavelength of 635nm;under the point of 650nm;

(6)auto-leveling range:±3º

(7)the scope of work:use a radius of about 40-50m (receiver)

(8)power supply:three No.3 alkaline batteries.

laser marking instrument