Bosch GLM 50 Professional Laser Rangerfinder Advantages: GLM 50 Professional The easy solution for precise rangefinding     Easy to operate due to intuitive keypad     Large, illuminated display for the best readability     Robust IP54 design for tough jobsite conditions     Optimum work results due to high measuring accuracy     All-round softgrip protection for a long lifetime Technical data: GLM 50 Professional Laser diode     635 nm, < 1 mW Measurement range     0,05 – 50 m Laser class     2 Measurement accuracy, typical     ± 1.5 mm Measurement time, typical     < 0.5 s Measuring time, max.     4 s Power supply     2 x 1.5 V LR03 (AAA) Automatic deactivation     5 mins Weight, approx.     0,14 kg Length     115 mm Width     53 mm Height     32 mm Units of measure     m/cm/mm            Included Accessories with: GLM 50 Professional   2 x 1.5 V batteries     Manufacturer’s certificate     Protective case Part number     0 601 072 270