Specification Brand : IMOSEI BulletPoint1 : Double-sided visual standard fashion shape ultra-thin design BulletPoint2 : Handheld for single use or while charging BulletPoint3 : LED display energy saving and long lifespan BulletPoint4 : It is suitable for near vision inspection, mainly for detection of hyperopia and presbyopia BulletPoint5 : Packing list: 1 near vision chart, 1 charging head, 1 charging cable, 1 lithium battery, 1 base, 1 pendant, 1 pendant screw ExternallyAssignedProductIdentifier : 4865435436598 ItemName : IMOSEI LED Double-Sided Vision Chart, Rechargeable Vision Chart, for Near-Sightedness, Adjustable Brightness, Suitable for Hyperopia and Presbyopia ItemTypeKeyword : therapeutic-eye-charts Manufacturer : IMOSEI PartNumber : ES6YD02237683 ProductDescription : Parameters: Visual acuity shows the average brightness of the white background: 80-320CD, square meter Brightness uniformity of visual acuity: ≥0.85 Charger broadband input voltage: AC 100~240V Output voltage: 4.2V0.5A Measuring distance: front 30CM / back 25CM Record vision method: decimal record/5 point record Package weight: 0.445KG Size: 213*120*15mm ProductSiteLaunchDate : 2024-12-04T12:38:03.669Z UnspscCode : 53000000