Green Circular Dot Laser Module Vlm-520-60 Lpo, Class 1, Operating Voltage 3~6 APPLICATIONS: Green Circular Dot Laser Module - for machine vision, automation industry, image processing, scanning and counting...etc. Automotive industry. Medical science. Measurement. Product Features High-Quality Manufacturing: Designed and built in Taiwan, ensuring superior performance and durability. Integrated Optics and Electronics: Built-in APC (Automatic Power Control) Driver Circuit maintains stable and safe laser output power) and Aspherical Glass Lens (provides a tight and precise dot across a wide temperature range). Extremely Small Circular Dot: Maintains a sharp, precise dot within 1 meter. Ideal for applications requiring high accuracy. Robust Construction: Stainless Steel Housing enhances durability and resistance to environmental factors. Specifications: Dimensions: O10 x 40 mm (O0.39" x 1.575"), Wavelength: 515~530 nm, Laser Output Power: Class 1 ? Less than 0.39mW Eye-Safe, Beam Divergence (Full Angle): 0.4 mRad, Operating Voltage: 3~6 VDC This low-power precision laser designed for applications that require a small, stable, and highly visible dot at close to mid-range distances. Here are some of its most suitable applications: Machine Alignment, Positioning Systems, Survey Equipment Calibration, Reference Marking, Optical Instrument Testing, Optical Experiments, Beam Alignment, Medical Device Alignment and Laser Therapy and Low-Level Light Therapy (LLLT) Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!