Working Range: 0~30 m 1 Horizontal Line4 Vertical Lines Levelling accuracy:±1.0mm at 5 m Line accuracy ±1.5mm at 5 m Levelling time<3s Self-levelling range ≤3° Laser Type : Red Laser Class 3R，<5mW Without tripods, match with TLLT01152 tripods With Cross Lock Function With Laser Gain Function Operating temperature 0~+40 Storag^℃e temperature - 20~+70 Batterie^℃s AA(1.5V)*4 Weight without batteries 980 g Packed by plastic box