Feature: 1. Easy to Carry: Made of double ABS, this laser levelling tool is robust and its compact design makes it easy to carry to different workplaces. With these features, this tool is an excellent addition to any tool set, making work faster, easier and more efficient. 2. Work Efficiently: This laser leveling is waterproof, dustproof, drop proof and hard wearing, making work easier and more efficient, especially for those working in construction, carpentry and decoration. 3. Flashing Alarm: When this laser levelling device is switched on, which is in auto level mode and will flash and beep if it is not at level ≤ 2.5°. 4. High Visibility Multiplier: The green laser leveling has four times the visibility of the red laser leveling and operates over a range of up to 40m. 5. User Friendly and Easy to Use: The laser leveling is simple to operate and user friendly. The device is easy to set up, with no complicated procedures to follow. The user only needs to place the device on a flat surface, and it will automatically level itself. Specification: Item Type: Laser Leveling Material: ABS Colours: Red and black Continuous Operating Time: 13 hours Laser Wavelength: 635NM Accuracy: ±1NM/5M Line Width: 1-2MM Auto Leveling: ≈2.5 ° Working Distance: Approx. 40m / 131.23ft, 10m / 32.81ft indoors Plug: US 110-240V Battery: 2 x Lithium battery (included) Capacity: 6000mAh (single battery capacity) Remote Control Battery: 1 x CR2032 button cell (included) Capacity: 75mAh Transmitting Angle: Vertical ≥ 110° Horizontal ≥ 120°. Package List: 1 x Laser Leveling1 x Lifting Stand1 x Upper Wall Stand1 x Triangular Base1 x Magnetic Stand1 x Remote Control1 x Spacer1 x Hand Screw2 x Lithium Battery1 x Power Adapter1 x Storage Bag