Bosch 0 601 076 400 Professional Digital Angle Measurer Inclinometer with Integrated Laser and Carry Case  The GAM270MFL Professional Digital Angle Measurer and Inclinometer with laser-accurate transfer is a joy to use. It gives precise and easy angle measurement every time. Achieve fast and precise calculation of angles to cut down on work time, calculations and wasted materials when they go wrong. A must-have tool for Joiners, Carpenters and those involved in the construction business.  Features:   Optimum readability due to rotating, illuminated display  Hold function for holding and transferring the measuring result at the press of a button  Precise angle transfer due to mechanical locking screw  Robust and compact design with IP54 protection  No calibration required  Digital angle measurer and inclinometer in one  Calculates mitre angles without the need for accessories  Inclinometer with laser up to a range of 30 m   Comes With:   4 x 1.5V AA Batteries  Carry Case   Specification:  Measurement range: 0-270°  Measurement accuracy, angles: ± 0.1°  Battery power, approx.: 50 h  Automatic deactivation, approx.: 30 mins  Arm length: 60 cm  Power supply: 4 x 1.5V AA  Weight: 1.7kg