Red laser beam. Metal housing. Range: 50 m. Wave length: 640 → 660 nm. Laser class 2. Dimensions: 126 x 13.5 mm. Weight: 40 g (without batteries). Power supply: 2 x AAA batteries (supplied). TÜV/GS tested, Kolor punktu = Czerwony, Klasa lasera = Klasa wyz