Features 1、The infrared line level is made of high‑quality materials, sturdy in use, wear‑resistant and corrosion‑resistant. 2、With red light 2 lines, high brightness, clear and distinct, long‑distance light will not diverge. 3、High measurement accuracy, the error is small, dust‑proof and waterproof, indoor and outdoor use. 4、Supports automatic leveling, the leveling/compensation range is 4° ± 1°, and it will automatically alarm if it is not leveled. 5、Suitable for drainage system, landscape embankment, road engineering, steel structure engineering, interior decoration, construction site, courtyard decoration designed. Specifications Condition: 100% Brand New Item Type: Line Level Tool Material: Plastic + Electronic Components Board Laser Class: Level 2 Leveling/Vertical and Horizontal Accuracy: ±3mm/10m Leveling/Compensation Range: 4° ± 1° Working Distance: 10 m / 32.8ft Battery: 1.5V 2 x AA Battery (Battery Not Included) Waterproof/Dustproof Rating: IP54 Weight: Approx. 432g / 15.2oz Product Size: Approx. 7.5x7.5cm / 3.0x3.0in Package List 1 x Main Host (Battery Not Included) 1 x Bracket 1 x Cloth Bag 1 x Manual (Chinese Type and English Type)