Feature: 1. Easy to Carry: The self levelling leveller is made of ABS and is waterproof, dustproof, drop proof and hard wearing, making it very portable and convenient for outdoor use. 2. Audible Alert: When the laser leveling is on, it is in auto level mode and will flash and beep if it is not at level ≤ 2.5°. 3. High Visibility: This green line laser leveling has 4 times the visibility of the red laser and works up to 40m. 4. High Accuracy: This laser leveler boasts of high accuracy, ensuring that your measurements are as precise as possible. With this feature, you can achieve your desired results in your construction or DIY project without any worries of errors. 5. Versatile and Convenient: The laser leveler tool comes with a US plug 110‑240V power rating that suits a wide range of power supply requirements. This feature makes the tool very versatile and convenient to use, especially when working in different geographical locations. Specification: Item Type: Laser Leveling Material: ABS Colour: Red and Black Continuous Working Time: 13 hours Laser Wavelength: 635NM Accuracy: ±1NM/5M Line Width: Approx. 1 ~ 2mm / 0.04 ~ 0.08in 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