Alignment Level: Yes Battery Type: AA Height: 106 mm Laser Beam coverage: 4 ° Laser Class: Class 2 Laser Colour: Green Laser Wavelength: 650 nm Length: 112 mm Levelling Accuracy: ±0.3 mm/m Levelling Type: Self-Levelling Maximum Operating Temperature: -10 °C Minimum Operating Temperature: -10 °C Model Number: GCL 2-15 G Number of Lasers: 2 Power Source: Battery Product Type: Laser Level Series: GCL 2-15 G Standards/Approvals: No Waterproof IP Rating: IP54 Weight: 0.49 kg Width: 130 mm Working Environment: Indoor and Outdoor Working Range: 15 m