Specification BatteriesRequired : 1 Brand : VOYLINTD Brightness : 30.0 lumen BulletPoint1 : 1. (Accurate Pupil Measurement): The Portable Pupil Gauge Pen Light features a printed pupil gauge on its body,allowing for determination of pupil size. This essential optometry tool ensures accurate assesents,making it a must,have for oculists and medical professionals who require reliable measurements du examinations. BulletPoint2 : 2. (User,Friendly Design): Designed with two separate sections,this pen light allows for easy installation and dssembly. This feature enhances convenience for users,ensu that the pen light can be quickly assembled or stored without hassle,making it an efficient tool for busy healthcare environments. BulletPoint3 : 3. (Compact and Portable): Equipped with a all, pocket clip,this pen light is designed for easy portability. Its compact size allows healthcare professionals to carry it effortlessly in their pockets or bags,ensu that they always have a reliable optometry tool on hand when needed. BulletPoint4 : 4. (Bright and Effective Illumination): The pen light utilizes a spotlight chip that emits a bright yellow light,providing optimal visibility for checking pupil reactions. This feature is crucial for medical examinations,ensu that doctors and nursing students can perform thorough assesents in various lighting conditions. BulletPoint5 : 5. (Professional Quality Tool): This pen light is crafted as a professional,grade tool,making it suitable for oculists,doctors,and nursing students alike. Its high,quality construction and reliable performance ensure that it meets the demands of medical professionals,enhancing their ability to provide accurate patient care. Color : Black ExternallyAssignedProductIdentifier : 4962644215560 ExternallyAssignedProductIdentifier1 : 0641320988854 ExternallyAssignedProductIdentifier2 : 641320988854 FdaDeviceClassification : i FdaIndicationOfUse : otc FdaInstructionsForUseType : na FdaLabelType : consumer FinishType : Metal IncludedComponents : No ItemName : VOYLINTD Portable Pupil Gauge Pen Light,Optometry Tool with Bright Yellow Light for Accurate Pupil Size Measurement,Ideal for Oculists,Doctors,and Nursing Students ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : professional-medical-pen-lights Manufacturer : VOYLINTD Material : Metal ModelName : VOYLINTDaip0e9w6y3 ModelNumber : VOYLINTDaip0e9w6y3 MountingType : Handheld NumberOfItems : 1 PartNumber : VOYLINTDaip0e9w6y3 Pattern : Solid PowerSourceType : Battery Powered ProductDescription : Condition: 100% Brand New Item Type: Pupil Gauge Material: Metal Purpose: Glasses optometry equipment accessories Size: Approx. 133x12.5mm/5.2x0.5in Color: Black Battery: 2 x AAA Battery (Not Included)