*KeyFeatures *Sturdy Protection: Built with sturdy plastic and high-quality metal, this rotary laser level kit is rugged and reliable. IP54 dustproof and waterproof design withstands dirt and damp, ensuring stable operation even in harsh conditions *360° Full-Area Scanning: Supports 360° rotation with clear, stable laser lines covering the entire work area. Comes with a laser viewing mirror for better visibility under bright light, suitable for a laser level kit *Auto Leveling & Alignment: Automatically self-levels and aligns within ±3°, minimizing manual adjustments. Easily match baseline lines for efficient and accurate positioning with this grade laser level kit *Extended Working Range: When paired with a laser receiver, the working diameter reaches approximately 984 ft / 300 m. Can project horizontal planes and plumb lines upright, or vertical planes and horizontal lines flat, ideal for a grading laser level kit *Indoor & Outdoor Use: Versatile for layout, wood installation, truss/joist construction, shelving, and wall layouts. Covers common construction and home renovation tasks with this rotary laser level ******************************************************************************************************* *Specifications Item Model Number: 203 Measuring Range: 984 ft / 300 m Leveling Range: ±3° Spinning Speed:0,60,120,300,600rpm Directional-scanning Angel: 0°,10°,45°,90°,180° Laser Wavelength: 635 nm ± 10% Power Supply: 4 x 1.2V Rechargeable Batteries Output Power: