12 Self-Leveling Lines: 4360 ultra-bright horizontal line and 8360 vertical lines, provide additional benefits for ceiling, point transfer, leveling, alignment, plumbing and squaring applications to meet users' needs. Self-Leveling Accuracy Within 3: The tilt angle 3, the laser level will self-level, otherwise, a continuous audible alarm will sound to indicate that you are out of the leveling parameters. Outdoor Pulse Mode: When the pulse mode is activated, the laser tool can be used with a laser detector to work in even brighter environments or at greater working distances. Large Capacity Durable Battery: The device comes with 2 x 2400mAh batteries, providing up to 6 hours of continuous use. Easy Operation: The laser level tool has three independently freely selectable modes, including horizontal mode, vertical mode, outdoor mode, just press the power button to activate the device and easily project a green laser. Package Contents: 1x Upper Wall Frame, 1x Iron Sheet on the Wall, 1x Lifting Frame, 1x Remote Control, 1x Triangle Base, 1x Charger, 2x Lithium Batteries, 1x Manual, 1x Plastic Case.