1、HIGH ACCURACY: The cross line level has an accuracy of ±5mm/5m, with small error, and indoor working range of 7.5 meters, convenient and practical. 2、MULTIPLE USAGES: Suitable for placing shelves, pictures, mirrors, curtain rails, cabinets, wallpapers, floors, or wall tiles, ensuring standard and accurate position. 3、1/4 THREAD HOLE: This level has 1/4 inch thread hole, can be used with various fixing devices and accessories, such as a tripod, which is stable and reliable. 4、CROSS GREEN BEAM: This level is cross line and green beam design, providing bright horizontal and vertical light, suitable for alignment and leveling works. 5、EASY OPERATION: With ergonomic design, this level is suitable for single hand operation, used for furniture installation, construction project, DIY decoration, etc. 6、SELF LEVELING: When the surface inclination is ≤4, it will automatically level, when the surface inclination is >4, it will continuously flash to indicate adjustment. 1 x Cross Line Level1 x User Manual Item Type: Cross Line LevelModel: VNT29003Material: ABSWavelength: 520nmPower: <1mwType: Class 2Accuracy: ± 2.5mm/5mWidth: 2.5mm/5mAutomatic Leveling Range: 3°Indoor Working Range: Approx. 7.5 meter / 24.6ftWorking Temperature: -10-50℃Protection Grade: IP54Power Supply: 2 x AA Alkaline Battery (battery not included)