Self-Leveling Laser Level, 2 Lines Laser Level Green Cross Laser Beam Line, Alignment Laser Tool for Picture Hanging and DIY Application Features: The laser level with high brightness laser and long projection distance, There are 3 object measurement modes: vertical line, horizontal line and cross line. Surface Inclines ≤4°, laser level will automatically self level; Surface Inclines >4°, laser level will flash continuously to indicate adjustment. With IP54 waterproof grade, convenient e both indoors and outdoors. Perfect for home decoration, installation of the floor, framework, laying of tiles and wall charts, etc. Smart pendulum system: self-leveling and indicates out-of-level condition. Press and hold the green power button on the top to turn on or off the laser cross line. 1/4" screw size for easy connection, it can be used with tripod to adjust the working height of the machine. Specifications: Type: A / B / C / D (Optional) Laser Wavelength: 520nm Emit Power: <1mW Laser Class: Class 2 Laser Accuracy: ±2.5mm/5m Laser Width: 2.5mm/5m Self-Leveling Range: 4° Working Range: 7.5m indoor Working Temperature: -10 ~ 50℃ Protective Class: IP54 Power Supply: 2 * AA batteries (not included) Material: ABS Item Size: 80 * 79 * 58 mm / 3.15 * 3.11 * 2.28 inch Item Weight: 216g / 7.62oz Package Size: Type A: 13.3 * 9.3 * 7.6 cm / 5.24 * 3.66 * 2.99 inch Type B/C/D: 17 * 11.6 * 10 cm / 6.69 * 4.57 * 3.94 inch Package Weight: Type A: 259g / 9.14oz Type B: 324g / 11.43oz Type C: 350g / 12.35oz Type D: 411g / 14.5oz Package List: A: 1 * Laser Level 1 * User Manual (English) / B: 1 * Laser Level 1 * L Bracket 1 * User Manual (English) / C: 1 * Laser Level 1 * Tripod 1 * User Manual (English) / D: 1 * Laser Level 1 * L Bracket 1 * Tripod 1 * User Manual (English)