Features: With cross-/horizontal/vertical/dot line-. Can be fixed & rotated at any angle. Accuracy: -0.5nm/-m, Wave-length: 630nm-680nm. Compact-size,portable, easy to carry around. Suiatble for home renovation-,DIY indoor & outdoor projects. Specifications: Material: plastics+metal Assembled size: approx 15x10x6.2cm/6x4x2.4-inch Power supply: 3x1.5V button battery Accuracy: -0.5-nm/-m Wave-length: 630nm-680nm Distance: 6-8m red light Color: silver/black Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Level