Features: 1. Project a straight laser line on any surface, not just a point. Set the strait line to any angle. 2. Ideal for carpentry, stair risers, shelving, molding, laying tiles or any other job that requires precise alignment. 3. Double bubble levels for accurate horizontal or vertical alignment, and retractable push rods keep the strait in place while working 4. On/off switch, very convenient to use. 5. Product use: pendant, door and window installation, ceramic tile, chandelier hanging, ceiling, etc. Specifications: Product name: level meter Material: ABS Product size: 61x122x40mm Weight: 100g Power supply: 2 * AAA batteries (not included) Color: orange, blue, yellow Product use: pendant, door and window installation, ceramic tile, chandelier hanging, ceiling, etc. Package includes: 1 * Level Note: Product does not contain batteries (AAA batteries)