Specification Brand : ORILAO BulletPoint : 40X-1600X Binocular Biological Microscope Adjustable Brightness Halogen Lamp Microscopio Student Home School Education BulletPoint1 : Light and compact-Due to its small size, the light and battery is convenient to take to anywhere. BulletPoint2 : Easy Use-Convenient clip to attach the light anywhere you want, rotatable knob to control the brightness of the light.For it is very easy to use,it is highly recommended for first time users. BulletPoint3 : Durable Battery--The dental headlamp use rechargeable lithium battery which is durable and with long life.The lifetime of the bulb:10000 hour.Continuous run-time:>5 hour. BulletPoint4 : High Brightness-The light brightness is very strong (with high intensity>15000—30000Lux and The power of the bulb:5 W) BulletPoint5 : Uniform Square Spot:A precisely focused light provides enhanced visibility during procedures. ExternallyAssignedProductIdentifier : 7292601876716 FinishType : Finished IncludedComponents1 : Battery IncludedComponents2 : Charging Cable ItemName : ORILAO 5W Headlight with Filter Portable Headlamp for Loupes Lab Magnifier Magnification Binocular ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-compound-binocular-microscopes ItemTypeName : Headlamp MagnificationMaximum : 1600 multiplier_x Manufacturer : ORILAO Material : Plastic ModelName : Headlamp ModelNumber : OL-HYG-011 NumberOfItems : 1 PartNumber : OL-HYG-011 PowerSourceType : Battery Powered ProductDescription : Specification: LED Power: 5W Life span:100,000h Light intensity: 15000-30000Lux Working time: 2hours (Max power) Cycle life: Over 700 cycles Battery Capacity: 3.7V600mAh Power level: 4 gear (100%,75%,50%,25%) Charge time: 2hours