Line laser GLL 3-80 C. The GLL 3-80 C Professional line laser is easily connected and provides excellent visibility through the projection of 3 x 360° lines. Thanks to the innovative CAL Guard monitoring and Bluetooth connection to the smartphone app, remote operation, contactless adjustment, and high precision are possible. Powerful diodes ensure strong visibility, while the 3 x 360° lines enable simultaneous horizontal and vertical leveling tasks, thus ensuring high work efficiency. This line laser is designed for floor construction, window installation, shelf mounting, drainage pipe laying, drywall construction, and tile laying. With the Dual Power Source technology of the GLL 3-80 C Professional, it can operate with both a 12 V Li-ion battery and standard alkaline batteries, providing added flexibility. The device can self-level on non-planar surfaces in less than 4 seconds with excellent accuracy of ± 0.2 mm/m, and when using the optional receiver LR 6 or LR 7 Professional, it has a range of up to 120 m. This line laser is compact, easy to use, and extremely robust. Included in the package: AA1 alkaline battery adapter, laser target plate, carrying case, 4x 1.5 V LR6 batteries.