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

(1) Production name: laser marking instrument;

(2)precision:±1nm/10m

(3)time of return to zero:5 seconds

(4)laser light:4V1H1D

(5)laser light 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 40m-50m(receiver)

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

laser marking instrument