Specification Brand : KooingTech BulletPoint1 : Product Parameters: Pen light size: about 13.5x1.5cm /5.3x0.6 inches; Battery :2 AAA(not included), barrel with 50mm scale for daily measurement, lightweight design, carry without pressure BulletPoint2 : Versatile Design: The side of the pen lights medicals has a pupil control progression chart to help determine the pupil size of the patient during the pneumatic evaluation BulletPoint3 : Portable Clamp: Nurse pen light clamp design, easy to carry, can be arbitrarily clipped in pockets, necklines and other places, easy to use and place, to prevent loss BulletPoint4 : Professional Manufacturing: The pen light adopts convex LED bulb design, advanced circuit board control, good concentrating effect, can clearly illuminate the pupil, ear or mouth BulletPoint5 : Customer Satisfaction: If the packaging of the pen lights medicals you receive is damaged, please let us know and we are always available to assist you Color : Blue FdaDeviceClassification : iv FdaIndicationOfUse : otc FdaInstructionsForUseType : consumer FdaLabelType : consumer FdaPremarketApprovalNumberPma : see details ItemName : KooingTech LED Pen Light, Portable Pen Lights Medicals, Multi Functional Nurse Pen Light with Pupil Ruler for Ear Mouth Throat Examination (Blue) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : professional-medical-pen-lights Manufacturer : KooingTech ModelName : KooingTech1ic8bgsrna-12 ModelNumber : KooingTech1ic8bgsrna-12 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : KooingTech1ic8bgsrna-12 ProductDescription : Item Type: Diagnostic Lamp Size: Approx.13.5 x 1.5cm / 5.3 x 0.6in Battery: 2 x AAA (Not Included)