*【360° ROATRY LASER LEVEL】- Rotary laser level features advanced 360° rotating laser module, emit precise green beams. Wavelength: 510 nm. Twelve lines, scan the construction area in vertical & horizontal directions(3D). Higher measuring accuracy: ±3 mm/10 m. Make your work more precise. *【AUTO LEVELING】- Automatic self-leveling range: 4°±1° within 3 seconds, rotating laser level alarms when over the slope range. Also, with a sturdy magnetic L-shaped mount to attach the laser level to any steel easily. It accepts a standard tripod screw to make height adjustment. *【WORKING TIME & RANGE】- Up to 25m working distance, when worked with the receiver(not included), the rotary level laser can work indoor & outdoor ≥60 m. Longer operating time: 12 line all in work-5 hours; single line in work-15 hours. *【PREMIUM QUALITY & INSTALL】- 2 different sized mount port at the bottom: 1/4''-20 and 5/8"" to quickly get connected with tripod stand. Portable to carry this rotary laser level kit with a bag. *【VARIOUS APPLICATIONS】 - Ip54 level protection, thus it is water-proof, dust-proof, and anti-drop. Safety Class: II. rotary lasers are suitable for indoor and outdoor use, especially for construction sit road maintenance, room renovation, bridge building, etc. Real bring convenience to your work. *Specifications Case Material: ABS Plastic Laser Beam: Green; 12 Lines Expand Angle: 3 X 360° Wave Length: 510 nm Accuracy: ±3 mm/10 m Leveling Range: 4°±1° Self-Leveling Time: ≤3 s Working Distance: 25 m Operating Time: ＞5 hours(all lasers on) Protection Level: IP54 Power Source: 5200mAh, Li-ion Battery Laser Class: Class 2 Operating Temperature: -10℃ to 50℃ *Pakcage Content 1 x Rotary Laser Level 1 x Bracket 1 x Battery 1 x Plug & Cable 1 x User Manual