Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : CAVN Brightness : 3 lumen BulletPoint1 : You will get 2 Pcs LED Penlights. These Pen lights are made of premium aluminum alloy and led bulb, which make sure these nurse penlights durable and long-life using. Note: Batteries were not included. BulletPoint2 : There are pupil gauge and a 5cm-ruler on the side of the penlight. It is very helpful for you to measure the pupil dilation and length on using these medical penlights. BulletPoint3 : Convenient to use: these reusable nursing penlights are push-button on/off switches with pocket clip. It is easy to control and place them on your uniform pocket. BulletPoint4 : These Penlights can be powered by 2 Packs AAA batteries with keeping the positive pole “+” direction of batteries to the pen bulbs. BulletPoint5 : Lightweight and Convenient: these pen lights are light and compact, convenient to carry anywhere. The pen light is a necessity for nurses to work, and it is a good gift for nurses. Color : Gradient Pink and Blue IncludedComponents : Light kit inlcuded ItemName : CAVN Pen Light with Pupil Gauge LED Penlight for Nurses Doctors, 2 Pcs Reusable Medical Penlight for Nursing Students, Gradient Pink and Blue ItemPackageDimensions_Height : 14.5034 centimeters ItemPackageDimensions_Length : 1.8034 centimeters ItemPackageDimensions_Width : 5.588 centimeters ItemTypeKeyword : professional-medical-pen-lights Manufacturer : CAVN Material : Aluminum ModelName : Penlight ModelNumber : FC019-PBL NumberOfItems : 2 PartNumber : FC019-PBL PowerSourceType : Battery Powered ProductDescription : Reusable Medical Penlights with Pupil Gauge for Nursing Doctor Students White Light ProductSiteLaunchDate : 2024-05-27T07:37:57.069Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 2 WarrantyDescription : 1 year.