Huepar BOX-1G Green Cross Line Laser Level Specifications Working Distance with Huepar Receiver(LR-5RG/LR-8RG/ LR-6RG): 50m /198Ft. 1x Huepar Box-1G green laser level. Spread Covers: H130°/ V150°. Laser Class: Class 2 (IEC/EN60825-1/2014), output power <1mW.