Specification:

Level system: Electronic sensor fast leveling. 

Accuracy: 20 arc seconds(+/-1mm/10m)

Self leveling range: ±5° 

Operation rang: 500m with detector（Diameter)

Five head speeds: 0; 60; 120; 300; 600 R.P.M

Four scan widths:10°; 45°; 90°; 180° 

FRE203(Red beam):Wavelength:635nm Class II FRE203G(Green beam):Wavelength:515nm-520nm Class 3R                

Green beam is X5 times brighter than red one. 

Remote control;Available working distance:20 m 

Operation temperature: -20oC ~ +50oC (-4°F~+122°F) 

Power supply: DC 4. 8-6V (4*sub-C NI-MH battery) 

Continiuance working time: Approx. 50hr. 

Waterproof and dustproof: IP 54 

Dimension: 160(L) X 160(W)X 185(H)mm 

Weight: 2.5kg