1、[360° Laser Module] This laser leveler can achieve 360° horizontal line and 360° vertical line output, allowing for precise leveling in all directions. 2、[Auto Self Leveling] With an automatic self leveling mode, this level tool ensures easy and accurate leveling, which automatically adjusts itself when the tilt angle is less than 4°. 3、[4 Modes] This green beam level tool has four working modes, you can choose to use according to different home decoration scenarios. 4、[High Capacity Battery] With a 4000mAh rechargeable battery, this laser leveler provides ample power for extended use, ensuring uninterrupted operation during your projects. 5、[Versatile Application] This laser leveler is suitable for various occasion, ideal for window and door installation, floor laying, woodworking, stair installation, hanging decorations, wall construction. Item Type: Laser Line Leveler Material: ABS, PTE Laser Wavelength: Green Light (505-550nm) Leveling Compensation Range: Automatic Leveling, 4°±1 Working Distance: Green Light (30 Meter) Laser Class: Class 2 Leveling Accuracy: ±1.5mm/5m Operating Temperature: -10℃ to 50℃ Storage Temperature: -25℃ to 70℃ Working Time: Mode 1: About 8 Hours Mode 2: About 12 Hours Mode 3: About 20 Hours Mode 4: About 44 Hours Battery Type: Lithium Battery (Built in) Battery Capacity: 4000mAh 1 x Laser Line Leveler 1 x Accessory 1 x Charging Cable 1 x Storage Box 1 x Instruction Manual