Protech Distance measuring device

Range of 40 m. Function for calculating area (m²) and volume (m³). Quick and accurate measurement capability from the top or bottom of the device. Memory capacity for 30 measurements. Durable and small enough to fit in your pocket. Laser distance meters for non-contact measurement of distances using a laser. Laser distance meters measure the distance to a visible laser point very accurately. These devices are used by engineers in industry, in construction, as well as by carpenters, roofers, etc. Pythagorean function with four measurement modes. Level II laser of 635 nm, <1 mW. 1.5 V AAA alkaline batteries.