Specification:

Level system: Electronic sensor fast leveling. 

Level Accuracy: ±20"(± 3 mm @ 30 m) 

Slope range:±10.00%                                                                                     

Slope accuracy:±10mm@10m                                                                                 

Automatic self-leveling range:5°                                                                         

Laser Laser source:  Visible Laser Diode 635nm,Class II.

Operation range: 500m dia. with detector

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

Four scan widths:10°; 45°; 90°; 180° 

FRE207-2S IR Remote control:Available distance:20m                                                                                                                          

FRE207-2SW Wireless remote control(optional):Available distance:50m

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

Power supply: DC 4. 8-6V (4 sections sub-C NI-MH battery)Battery pack replaceable(Ni-MH battery pack or Alkaline battery pack,selectable)

Continiuance working time: Approx. 40hr. 

Waterproof and dustproof: IP 54 

Dimension: 160(L) X 160(W)X 185(H)mm 

Weight: 2.8kg(w/batteries)