{"product_id":"esmarter-medical-pen-light-pupil-gauge-ruler-300-lumen","title":"ESMARTER Medical Pen Light with Pupil Gauge \u0026 Ruler | 300 Lm","description":"\n\u003ch2\u003eESMARTER Medical Pen Light – Bright, Precise \u0026amp; Built to Last\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESMARTER Medical Pen Light\u003c\/strong\u003e is a compact, professional-grade pen flashlight designed for clinical and general inspection use. Featuring a built-in \u003cstrong\u003epupil gauge and ruler\u003c\/strong\u003e, this pen light gives practitioners and students the accuracy they need during visual assessments. At \u003cstrong\u003e300 lumens\u003c\/strong\u003e and a reach of up to 100 metres, it delivers a sharp, reliable beam in even the most demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e300-Lumen LED Beam:\u003c\/strong\u003e High-output LED provides brilliant, consistent illumination for close-up and detailed visual examinations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePupil Gauge \u0026amp; Ruler:\u003c\/strong\u003e Printed measurement scale on the barrel enables quick, accurate size assessments without needing a separate tool.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof Design:\u003c\/strong\u003e IPX-rated waterproof construction keeps performance reliable across varied clinical and field environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Lighting Distance:\u003c\/strong\u003e Illuminates targets up to 100 metres away — ideal for both near-field inspection and distance observation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Body:\u003c\/strong\u003e Lightweight yet tough ABS construction stands up to daily professional use without adding bulk to your coat pocket.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePocket-Clip Ready:\u003c\/strong\u003e Slim pen-style form factor slips easily into a lab coat, shirt pocket, or instrument pouch for instant access.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets CE and RoHS compliance standards for safety and environmental responsibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Manufactured with no hazardous substances, safe for everyday professional handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESMARTER\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYL Pen Light\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBody Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLumen Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 lm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWattage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3W LED\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLighting Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50–100 m\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis pen light is an excellent everyday carry tool for nursing students, medical professionals, paramedics, first responders, veterinary practitioners, and anyone who requires a dependable, calibrated light source on the go. The integrated pupil gauge eliminates the need for a separate measurement tool, streamlining your kit.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-100mm-tiny-digital-vernier-caliper-portable-measuring-tool\"\u003e0–100mm Tiny Digital Vernier Caliper | Portable Measuring Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-200mm-jewelry-measuring-caliper-bead-stone-gauge-stainless-steel\"\u003e0–200mm Jewelry Caliper – Stainless Steel Bead \u0026amp; Stone Gauge\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAuthoritative Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe use of examination instruments in clinical settings, refer to the \u003ca href=\"https:\/\/www.fda.gov\/medical-devices\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. FDA – Medical Devices\u003c\/a\u003e resource centre.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What batteries does the ESMARTER Medical Pen Light use?\u003c\/h4\u003e\n\u003cp\u003eA: Batteries are not included with this pen light. Please check the battery compartment size (typically AAA or button-cell) before purchasing batteries separately to ensure compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this pen light include a pupil gauge printed on the body?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The pen light features a clearly printed pupil gauge and ruler directly on the barrel, allowing for quick and accurate measurement during visual examinations without any additional tools.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the ESMARTER pen light suitable for everyday professional use?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The durable ABS body, waterproof design, CE and RoHS certifications, and slim pocket-clip profile make it a practical, long-lasting choice for nurses, medical students, paramedics, and other professionals who need reliable illumination on hand at all times.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How bright is the pen light and how far does it illuminate?\u003c\/h4\u003e\n\u003cp\u003eA: This pen light outputs 300 lumens from a 3W LED and can illuminate targets from 50 up to 100 metres, making it suitable for both close detailed inspection and longer-range observation tasks.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What batteries does the ESMARTER Medical Pen Light use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Batteries are not included with this pen light. Please check the battery compartment size (typically AAA or button-cell) before purchasing batteries separately to ensure compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"Does this pen light include a pupil gauge printed on the body?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The pen light features a clearly printed pupil gauge and ruler directly on the barrel, allowing for quick and accurate measurement during visual examinations without any additional tools.\"}}, {\"@type\": \"Question\", \"name\": \"Is the ESMARTER pen light suitable for everyday professional use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The durable ABS body, waterproof design, CE and RoHS certifications, and slim pocket-clip profile make it a practical, long-lasting choice for nurses, medical students, paramedics, and other professionals who need reliable illumination on hand at all times.\"}}, {\"@type\": \"Question\", \"name\": \"How bright is the pen light and how far does it illuminate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This pen light outputs 300 lumens from a 3W LED and can illuminate targets from 50 up to 100 metres, making it suitable for both close detailed inspection and longer-range observation tasks.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ESMARTER Medical Pen Light with Pupil Gauge \u0026 Ruler | 300 Lm\", \"item\": \"https:\/\/oasis-select.com\/products\/esmarter-medical-pen-light-pupil-gauge-ruler-300-lumen\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"pen light black","offer_id":47755439964265,"sku":"200000531:771#pen light black","price":7.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sd6a85bd9b19a4b589eb28da1369f983cx.webp?v=1783269222","url":"https:\/\/oasis-select.com\/products\/esmarter-medical-pen-light-pupil-gauge-ruler-300-lumen","provider":"Oasis Select","version":"1.0","type":"link"}