*RED LASER BEAM- Advanced 360 rotary laser module, emit clear red beams beam, wave length: 510nm. Down Point Diode Accuracy: 1mm/1.5m. *LEVELING & ADJUSTABLE- Automatic self-leveling range: 5, alarms when over the slope range. Easy to adjust the slope of X-axis and Y-axis after auto leveling. Support left-spinning or right spinning exchange. With automatic drift system. *WORKING RANGE- Up to 20M working distance(indoor & outdoor), with a remote control(include).When work with laser receiver, its work range will reach Max.500M. Large rechargeable battery, support Max. 20 hours work time a time. *PREMIUM QUALITY- Solid industrial-level plastic case, solid enough to anti-corrosion & dust. It is also IP54 water-proof design, suitable for different environment. *WIDE APPLICATION - Suitable for both indoor and outdoor use, especially for construction sit road maintenance, room renovation, bridge building etc. Real bring convenience to your work. Specifications Laser Source: Red Beam; Wavelength: 635nm; Accuracy: +/-1mm/1.5M Leveling: Range: +/-5; Accuracy: +/-20"(Horizontal & Vertical) Measuring Range: 500m(use the Laser Detector); 20M(Use the Remote Control) Spinning Speed: 0-60-120-300-600rpm(Adjustable) Directional Scanning Angle: 0,10,45,90,180 Slope Adjusting Range: +/-5 Protection Level: IP54 Power Supply: Rechargeable DC 4.8-6V Battery(4pcs) Working Time: 20 Hours Package Content 1 x Digital Rotary Laser Level 1 x Remote Control 1 x Laser Receiver 1 x Charger 2 x Pair of Goggles 2 x Laser Target Plate 1 x User Manual