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Specification
Brand : DJCDDM
BulletPoint1 : 【High Precision】: The use distance of our vision board: 1-6 meters. And it can be finely adjusted, with a maximum accuracy of up to 0.1M (adjust the image size by adjusting the working distance). In addition, it is equipped with a high-quality remote control with a working distance of up to 8 meters.
BulletPoint2 : 【Ultra-light design】: High-resolution LED screen, clear visual targets, and the screen visual chart panel can display more than 300 visual targets. Ultra-thin and ultra-light design, high-definition solution, professional multi-carbon audio and video processing technology, fast switching, and easy.
BulletPoint3 : 【Digital Vision Chart】: The LCD vision chart has a variety of visual targets: E, C, letters, Arabic numerals, children's vision targets, etc. Used to measure vision; red-green vision targets, cell vision targets, astigmatism detection, color blindness detection, amblyopia training, etc. Used to measure astigmatism and color weakness.
BulletPoint4 : 【Installation method】: Our digital visual whiteboard has a convenient and practical visual sensitivity test function, adjustable screen brightness, and provides visual prompts of up to 3 rows and 8 columns. It also has two installation methods: flat mounting and wall mounting.
BulletPoint5 : 【5 Display Modes】Five display modes of the electronic eye diagram can customize your experience: red-green display, full screen display, single display, line display, and row display. It can be easily adjusted by the remote control to meet different needs.
Color : 21.5"screen
ExternallyAssignedProductIdentifier : 8596387494140
ItemDisplayDimensions_Length : 29.53 inches
ItemDisplayWeight : 0.14 pounds
ItemName : Electronic Optical Eye Charts,Visual Acuity Chart Digital，5 Display Methods Optometry Tester Projector with Remote(21.5"Screen)
ItemPackageDimensions_Height : 10 centimeters
ItemPackageDimensions_Length : 10 centimeters
ItemPackageDimensions_Width : 10 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : therapeutic-eye-charts
Manufacturer : DJCDDM
Material : plastic
ModelName : DJCDDM
ModelNumber : DJCDDM
NumberOfBoxes : 1
NumberOfItems : 1
PartNumber : DJCDDM
ProductDescription : Specifications:
Screen type: TFT-LED
Screen size: 18.5 inches / 21.5 inches
Viewing angle: H: 170 / V: 160
Color: 16.7M colors
Visual size: 413.4 x 234 mm / 478.8 * 271.3 mm
Maximum brightness: 250 cd/m2
Maximum contrast: 1000:1
Signal response time: 5 milliseconds
Dimensions: 482 * 30 * 52 mm / 545 * 405 * 44 mm
<;2W
Standard power consumption: 40 W / 60 W
Maximum screen resolution: 1366 * 768 / 120 * 1080
Screen ratio: 1366 * 768 / 1920 * 1080
Usage distance: 1m-6m adjustable
Visual recording method: Imperial fraction, decimal recording method.
Remote control distance: The maximum remote control distance is not less than 8m.

Features:
1. Quick switching, simple o-peration
2. Can be hung on the wall or placed
3. Adjustable measuring distance

Product list:
Host, base, wall mounting nail, wall mounting kit, power cord adapter, remote control.

Notes:
About color: The product pictures are taken from the real object, but due to different lighting displays, there may be a slight color difference, please understand
About size: The product size is measured manually, there may be an error of about 1-3cm, please understand.
ProductSiteLaunchDate : 2025-03-11T04:30:05.195Z
Size : One Size
Style : Modern
SupplierDeclaredDgHzRegulation : not_applicable
UnitCount : 1
UnspscCode : 45111600