... 2. Wave length: 630-670mm 3. power output:<3mm/5m Laser straight level Model No.GTL-014 Specifications:1. Dimensions:120X40X70mm2. Wave length ... , cabinets, towel bars, borders, curtain rods, wood working decorations, pipes and wires.10. Laser Straight adheres to any surface, wonâ¿¿t leave marks ...