DUAL MODE MEASUREMENT - Absolute Mode ensures precise leveling with a reference line, while Relative Mode allows at any angle for versatile measurements, ideal for professionals in construction, carpentry, and engineering. 360 MAGNETIC ATTACHMENT - Built-in strong magnets on all four sides allow the tool to securely attach to metal surfaces, ensuring hands-free and stable measurements while measuring angles and reducing the risk of errors. USER-FRIENDLY CONTROLS - The large digital screen ensures clear angle or slope readings even in dimly lit areas. CONSTRUCTION - Shockproof casing resists drops and impacts, ensuring durability in tough conditions. Compact and portable, with a rechargeable battery that eliminates the need for frequent replacements. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.