Focus: 20 Cm; Class I Eye-Safe Laser Module; Quarton Mini Dot Size Red, 200. APPLICATIONS: Focus point: 20cm. Small Spot Laser module for use with high-precision devices. Medical science. Bio-tech. High-precision 3D scanning. Precision measurement. (For more detail about the laser dot size, please refer to the product pictures.) Product Features ?Dot Size Laser Module. Laser dot size is less than 0.13mm at the distance of 20cm. (For more detail, please refer to the product pictures.) Focus point: 20cm. Small spot laser module for use with high-precision devices. Application: Medical science, Bio-tech, 3D scanning, precision measurement. Wave length: 630 ~645nm. Laser output power: less than 0.39mW (Class I). Dimensions: ?10.6 x 12.2 mm(?0.417" x 0.48"). 3~6 VDC operation. This module has integrated optic, laser diode, and APC driver circuit. APC Driver Circuit enables the Laser output power safe and constant. Please notice: laser modules are not supposed to be sold with any power source, power supply, or wiring terminals. Because modules are simply components, and it means that you have to wire it to your own power source by yourself. 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!