The Professional Combi Laser with a working range of 20 meters is designed to use for industrial applications. Laser delivers a bright green horizontal line, vertical laser line and two centre plumb points for maximum visibility. Bluetooth connection facility enables smooth transfer of the measurement readings. Levelling remote app facilitates remote control adjustment of the tool through a Smartphone.Laser is powered by 12 Volts Lithium-Ion and alkaline batteries. Position of the laser lines can be centred around the plumb points for accuracy. Pendulum lock ensures the safety of the device and prevents unwanted access. The 1/4 Inch tripod thread makes it easy to install and assemble. It has an operating temperature of -10 to 50 deg C, storage temperature of -20 to 70 deg C, accuracy of 0.3 mm/m and a self-levelling range of 4 degrees.