MaiWieel 2PCS Professional Pen Light with Pupil Gauge and Ruler-Bright White LED Medical Penlight for Nurses, Doctors, EMTs-Compact, Portable, Without Battry (Pink&Purple)

["Dual Functionality with Pupil Gauge & Ruler Integrated side-printed pupil gauge and centimeter ruler allow fast neurological assessment and wound measurement – essential for nurses, doctors, and EMTs.","Bright White LED for Accurate Examination Powerful  white LED delivers focused, shadow-free illumination, making it ideal for pupil response tests, throat inspection, and general clinical use.","Compact & Portable Design Ultra-slim, lightweight penlight easily fits into a pocket or medical pouch – always ready for bedside or emergency use.","Professional 2-Piece Set for Backup Comes as a 2-pack so you can keep one at your workstation and one as a spare, or share with a colleague without delay.","Batteries Not Included – Use Your Preferred Brand No batteries included, allowing you to install fresh, high-quality AAA batteries (sold separately) for reliable performance whenever needed."]