Features: 1.A second to get the second speed ranging new way: Measuring tape is used for short distance measurement, laser is used for long distance measurement, and laser cro is used for cro measurement. 2.Precision laser components: subtle changes in distance and accurate perception. 3.Plastic protective soft shell: with high elasticity, toughne, skid resistance. 4.Ruler belt automatic lock: ruler belt automatically lock after pulling out, to prevent accidentally injured finger to pre the unlock button automatically rebound. 5.About the front and back correction of the ruler hook: the ruler hook loosene is a retraction compensation design, not a quality problem, please rest aured to use. Specifications: Product name: 3 in 1 Laser tape measure Material: ABS+ manganese steel ruler belt Tape material: coated manganese steel tape Laser ranging: 40m/60m Color: Blue/Yellow Scope of application: single measurement, continuous measurement, area measurement, volume measurement, hook measurement, decoration design, furniture placement, doors and Windows measurement, engineering mapping Battery type: 2 * AAA batteries(not included) Size: 85 * 82 * 56 mm Temperature range: 0-40 degrees Celsius Measurement accuracy: 2mm Accuracy: 2mm Dust and splash proof: IPX4 Maximum storage: 20 groups Maximum/Minimum value: Minimum value 0.005, maximum value 60 m Measurement, volume measurement, hook measurement Package Included: 1 x 40M/60M Laser Tape Measure(not included batteries) Note: 1. Manual measuring, please allow a little 1 ~ 2mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please allow a little color difference.