Approved by IEC: Class 1 laser safety certification Enhanced 5-direction flame direction and emergency stop design. Cutting excellence beyond compare xTool S1 40W: With advanced laser compression technology, eight 5.5W lasers are combined into 40W, realizing high power cutting efficiency comparable to CO2 machines. xTool S1 20W: The xTool S1 features a 20W laser that can easily cut 10mm wood in one pass. Twin-point positioning, camera-like precision Discover xTool's unique Twin-point positioning technology. Achieving pattern placement with precision rivaling camera methods, all with unmatched ease and accuracy. Dynamic-focus engraving: perfect on uneven surfaces xTool S1 boasts a cutting-edge intelligent focusing system for multi-point focus ranging and 3D object automation. Its electric Z-axis dynamically refines focus, delivering a perfect engraving effect like a plane. Auto-focus: mastery in every outcome. The xTool S1 offers computer-level precision focus measurement and enhances cutting power by guiding the spot to lower below the cutting surface through the auto-focus system. Your creation, limitlessly amplified. The xTool S1 boasts a spacious bed size measuring 23.93"×15.16" (608*385mm). With a working area of 19.6"× 12.5"(498*319 mm), it comfortably surpasses the dimensions of an A3 paper, catering to larger projects with ease. Automated passthrough: length, redefined. xTool S1 comes with an optional Automatic Conveyor Feeder, unlocking expansive creativity up to 3000mm with auto passthrough. It guarantees precise and easy management of larger materials. Rotary engraving xTool S1, when paired with the optional RA2 Pro rotary attachment, enables intricate engravings on items like tumblers, mugs, and rings, turning each piece into a work of art.