Bosch GLL 50 G Cross Line Laser Level (Green Laser) The GLL 50 G Professional is what you really need for essential levelling applications. With 1 horizontal and 1 vertical line in Bosch Green Laser Technology, it is the simplest way to achieve precise levelling results even in brighter conditions. Through the durable yet compact design, the tool offers IP 55 rated protection and great user intuitiveness for your everyday hard work. Equipment & Application Engineered by the state-of-art Bosch Green Laser Technology, it ensures superior level of laser line visibility and sharpness even in brighter conditions. Additional Information Thanks to the impact absorbing body and robust housing architecture, the GLL 50 G Professional enables IP 55 rated protection and better grip on ground. Simple, lightweight and suitable for uneven environments Green laser technology provides excellent visibility. Compact design makes it easier to control a single switch and is easy to operate. Dual power supply system can use BA 3.7V 1.0Ah lithium-ion battery or traditional AA alkaline battery. IP 55 protection level, very durable. Specifications Laser diode 500 – 540 nm, < 5 mW Operating temperature -10 – 40 °C Storage temperature -20 – 70 °C Laser class 2 Working range up to 15 m Accuracy ± 0.6 mm/m* (*plus use-dependent deviation) Self-levelling range ± 3° Dust and splash protection IP 55 Power supply 2 x 1.5 V LR6 (AA) Tripod thread 1/4" Weight, approx.