Functioning Range: 0–15 m Accuracy of leveling: ±1.5 mm at 5 m Line accuracy at 5 meters ±1.5 mm Leveling time <4 s Angle of self-leveling ≤4° Laser Class ≡⁌<1mW; Laser Type: 650nm Using a magnet featuring a hanging hole In the absence of tripods, use the HLLT01152 tripods. With Laser Cross Function, Cross Lock Function, Horizontal and Vertical Line Function, and Laser Gain Function Working temperature: 0 to +40°C Range of operation: -20 to +70°C AA (1.5V) * 3 batteries; weight not including batteries Dimensions (H × D × W): 305 g 98x58x96 mm, packaged in a colored box