Self-leveling line laser(Green laser beams) Working Range: 0~30 m 1 Horizontal Line and 4 Vertical Lines Self-leveling line laser(Green laser beams)Levelling accuracy:±1.0mm at 5 m Line accuracy ±1.5mm at 5 m Levelling time<3s Self-levelling angle ≤3° Laser Type : Green Laser Class 3R,<5mW Without tripods, match with HLLT01152 tripods