Specification AgeRangeDescription : Adult BatteriesRequired : 1 Brand : Songzi Optics BulletPoint1 : 2.5X Loupes Field Of View: 150mm,Depth of field: 200mm,3X Loupes Field Of View: 140mm. Depth of field:200mm Working Distance R(300mm -500mm), L(450mm-650mm) BulletPoint2 : 3.5X Loupes Field Of View:130mm.Depth of field: 200mm ,Working Distance R(300mm -500mm), L(450mm-650mm) BulletPoint3 : Please choose working distance, then send message in the order, if you are siting while wearing loupes, we recommend Working Distance R(300mm -500mm), if you are standing while wearing loupes, we recommend Working Distance L(450mm-650mm) BulletPoint4 : Buyer can use PDCheck AR APP on phone, and save PD data screenshot, there are Far PD and Near PD. If you are a dentist, you need to choose Far PD, but need to reduce 4mm, for example Far PD is 66mm, that mean dental working distance Near PD should be 62mm, then you need to choose 62mm Near PD variation when place order. If you are a surgeon, you can use the APP Near PD data directly. BulletPoint5 : If your Near Pupil distance is not included into loupes variations, please choose Other Near PD, and leave your Near interpupillary distance in the message and we will customize it according to your size. BulletPoint6 : Light Head Net weight:12g,Light head housing material Special Aluminum,Light head size Diameter 20mm, length 35 mm.Highest illumination intensity 10,000-60,000Lux full variable intensity control, Color Temperature:5500k,advanced rechargeable polymer Li-Ion cells,LED can be used while charging.Light source 3W Light Emitting Diode (LED) ,Lamp Life:100000h,Adapter Input: 100-240VAC/50-60Hz, output: 5V.Battery run-time:4 hours, battery:1 piece, Color : Magnification:2.5x ExternallyAssignedProductIdentifier : 8356085660960 ExternallyAssignedProductIdentifier1 : 810136004977 ExternallyAssignedProductIdentifier2 : 0810136004977 ExternallyAssignedProductIdentifier3 : 00810136004977 FdaDeviceClassification : i FdaIndicationOfUse : rx FdaInstructionsForUseType : professional FdaLabelType : rx_only Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : CN_SmallLithiumIonBatteryWithEquipment Hazmat11 : DE_SmallLithiumIonBatteryWithEquipment Hazmat12 : EG_SmallLithiumIonBatteryWithEquipment Hazmat13 : ES_SmallLithiumIonBatteryWithEquipment Hazmat14 : FR_SmallLithiumIonBatteryWithEquipment Hazmat15 : GB_SmallLithiumIonBatteryWithEquipment Hazmat16 : IE_SmallLithiumIonBatteryWithEquipment Hazmat17 : IN_SmallLithiumIonBatteryWithEquipment Hazmat18 : IT_SmallLithiumIonBatteryWithEquipment Hazmat19 : JP_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : MX_SmallLithiumIonBatteryWithEquipment Hazmat21 : NL_SmallLithiumIonBatteryWithEquipment Hazmat22 : PL_SmallLithiumIonBatteryWithEquipment Hazmat23 : SA_SmallLithiumIonBatteryWithEquipment Hazmat24 : SE_SmallLithiumIonBatteryWithEquipment Hazmat25 : SG_SmallLithiumIonBatteryWithEquipment Hazmat26 : TR_SmallLithiumIonBatteryWithEquipment Hazmat27 : US_SmallLithiumIonBatteryWithEquipment Hazmat28 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryWithEquipment Hazmat6 : AU_SmallLithiumIonBatteryWithEquipment Hazmat7 : BE_SmallLithiumIonBatteryWithEquipment Hazmat8 : BR_SmallLithiumIonBatteryWithEquipment Hazmat9 : CA_SmallLithiumIonBatteryWithEquipment IncludedComponents : Built-In Water Filter ItemName : 2.5X 3X 3.5X Songzi Optics Gray Titanium Frame TTL Dental Surgical Loupes with Led Headlight Customized Wide Field of View (Near Pd 56mm, Magnification:2.5X) ItemPackageDimensions_Height : 16 centimeters ItemPackageDimensions_Length : 23 centimeters ItemPackageDimensions_Width : 13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : professional-dental-and-surgical-loupes MagnificationMaximum : 3.5 multiplier_x MagnificationStrength : 2.5 multiplier_x Manufacturer : Songzi Optical Co.,Ltd MetalType : other ModelName : SZTTLGREY ModelNumber : SZTTLN253035 NumberOfItems : 1 OpticalZoom : 3.5 multiplier_x PartNumber : SZTTLTTNEW PowerSourceType : Battery Powered ProductDescription : Songzi Optics SZTTL series has long working distance, Wide Field Of View,very comfortable to work with. LED illumination system are available.Multi-layer anti-reflection coating provides extremely high resolution.Anti-glare, scratch-resistance optic lens ensure long time no-trouble use. Helping to reduce eyestrain.You can improve your posture and avoid stooping. Multiple magnification levels loupes offer performance matched to your requirements.Multiple magnification levels enable you to see more,spot problem earlier and offer even higher levels of precision treatment. Exclusive Telescope Design with Precision Coated Optics for the best possible vision through the lens. Warm Tipes: Buyer can use PDCheck AR APP on phone, and save PD data screenshot, there are Far PD and Near PD. If you are a dentist, you need to choose Far PD, but need to reduce 4mm, for example Far PD is 66mm, that mean dental working distance Near PD should be 62mm, then you need to choose 62mm Near PD variation when place order. If you are a surgeon, you can use the APP Near PD data directly.If your Near Pupil distance is not included into loupes variations, please choose Other Near PD, and leave your Near interpupillary distance in the message and we will customize it according to your size. ProductExpirationType : Does Not Expire ProductSiteLaunchDate : 2012-10-07T07:00:00.000Z RequiredProductComplianceCertificate : CE Size : Near Pd 56mm SizeMap : Full Size SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TemperatureRating : Ambient: 15 to 25 C (59 to 77 F) UnitCount : 1 UnspscCode : 41111700 ZoomRatio : 3.5 multiplier x