Product Description
Features: Laser wavelength: 635 nm Automatic level range: ± 3 degree Launch Angle: ≥110 degree Level of accuracy: ±1 mm/7m Vertical accuracy: ±1 mm/7m Line width: 2 mm / 5 m Working environment: indoor/outdoor Power supply: 3AA Battery or lithium batteries or ac power Small size is convenient to carry Double protection, batteries and alternating current (ac) can be used Indoor and outdoor can be used High quality with very cheap pric