3 in 1 Multifunctional Laser Tape Measure: The size of the laser measuring tool is 8.5 x 8.2 x 5.6 cm. The digital tape measure combines a 60m laser measurement and a 5m tape measure with laser cross marking. The 3-in-1 digital laser tape measure is ideal for measuring larger areas such as rooms, apartments, buildings, factories and warehouses. Class II laser product, 630nm-670nm power ≤ 1mW. Requires two 1.5V AAA batteries (not included) 6 High-precision laser measurement modes: The laser tape measure guarantees 1/8 inch accuracy, including distance, continuous, area, volume and two Pythagorean sets. Other functions include calibration, reference changes and device settings. If there is no operation within 180 seconds, the device will automatically shut down Accurate measurement: The electric tape measure includes a 5m coated manganese steel measuring tape for short measurements with a ruler hook for easy use. Reversible scales and magnetic hooks allow for measuring and reading on