1、OPEN AND WORK: The automatic level is a cross line green light level that is very easy to install and use. All you need to do is turn it on and you're good to go. 2、1/4IN THREADED HOLE: Our level comes with a 1/4in threaded hole so you can use the level with accessories such as a tripod. Two bright lines at right angles provide horizontal and vertical light, perfect for alignment and leveling. 3、OPERATION: Press the red button on the top for 1 second to adjust the strong and weak light and freely switch between them as needed for your scene. Features an auto leveling function with visual level indication, a good addition to the kit. 4、LOCKING FUNCTION: After turning off the power switch, press the red button on the top of the level for about 3 seconds to get a tilted light. Press the red button on the top of the leveler again for about 3 seconds to release the tilt line function, the locking function helps you operate better. 5、AUTOMATIC ALARM: The green beam level has the function of exceeding the automatic angle adjustment alarm. If the module light and the red light on the top control panel flash at the same time during use, please adjust the reference base. 6、IP54 PROTECTION RATING: The self leveling leveler is a versatile tool with an IP54 protection rating for a variety of applications including floor, tile, ceiling and molding installations. Item Type: Self Leveling Level Material: ABS Wavelength: 520nm Power: Less than 1mw Accuracy: ±2mm/5m Auto Leveling Range: 3° Working Distance: Indoor 5m(16ft) Working Temperature: -10-50℃ Protection Grade: IP54 Power Supply: 3 AAA dry batteries (shipped without batteries) 1 x Green Beam Line Level 1 x L Bracket 1 x Tripod 1 x Manual 1 x Storage Bag