Nivel laser surveying cross line laser level meter MSR20 has robust over-molded housing, ARIMA red laser unit adoption, self leveling range 4±1 degree, fan angle 100 degree, ultra bright laser beams, layout tasks simplification, water/ debris resistance, full-time pulse mode, central locking mechanism, laser Wavelength 635nm ±5nm, horizontal accuracy ±3mm/ 15m and vertical accuracy ±3mm/ 15m.