Time-saving and convenient: Take accurate measurements without moving or kneeling on the ground, and use our dual laser measuring device to complete complex calculations in seconds. Highest Accuracy: Double-sided laser technology guarantees the highest accuracy in the world, with a measurement range of up to 262 feet (80 meters) and an accuracy of ±1/8 inch (3 mm). Bluetooth and App Compatible: Connect the VH-80 to your device via Bluetooth to store all measurement data in the VH-80 App. You can create your own sketches, share the results with other smart devices, and even calculate the amount of different materials needed for a specific area. DURABLE AND LONG LASTING: Double-sided laser tape measure and dual laser levels are compact and covered with rubber all around to prevent drop damage. The backlit LCD also makes all measurements easy to read so you can work in bright or dark areas. A variety of measurement functions: distance, continuous measurement, Pythagorean calculation, length, area, volume. wait. The VH-80 can also switch between dual or single lasers and includes a dual bubble level to help you get accurate measurements.