Provide a more even illuminated viewing area and relieve eye fatigue Product specifications 1. Screen type: 4.3-inch high-definition LCD display 2. Magnification: 4 times to 32 times infinite magnification 3. Pixel size: VGA 800 480 4. The brightness of the LCD screen is adjustable from 1 to 5 levels. 5. Lens focal length: 3.5cm - 6cm 6. 17 color modes to adapt to the needs of different groups of people. 7. Video Output Interface (AVOUT) 8. With mini USB cable (interface 2.0) 9. The buzzer tone can be turned on and off 10. Fold in the handle. 11. The machine has its own memory function, which can remember the user's habits before turning off. 12. A TF card can be inserted (support under 32GB), which allows you to take photos and play back. 13. Continuous battery power working time: 4 hours or more, charging time 5 6 hours. 14. Battery: external lithium battery 2500mAh (removable). 15. Appearance size: 154mm x 85.5mm x 30mm 16. Weight: 220g (including battery) Package Contents: E-reader 1 AV output line 1 Power adapter 1 Storage bag 1 Clean cloth 1 USB data cable 1 Manual 1 Lithium Battery 1 Lanyard 1[Can be connected to a large TV screen]: Screen Magnifier is equipped with a cable to connect to the TV and enjoy the big screen. By connecting to a TV, a greater magnification can be obtained, making reading easier and more comfortable. [Built-in lithium battery]: Rechargeable lithium battery does not need to worry about insufficient power.Charge for 1 hour and supply power for more than 4 hours.If no operation takes place for 3 minutes, the Digital Loupe will automatically shut off and always ensure sufficient power. [Ideal Visual Magnification]: Low vision aids for the elderly have a zoom-in out function, which can zoom in and out on the viewed text in a loop, and the zoom-in out levels are 4x 8x 16x 24x 32x in rotation. [Camera shooting and TF storage]: Support external memory card for photo storage.If we are in a hurry, we can choose to shoot first and wait to read in our free time further, higher text that is not easy to read from close range, by freezing the image. Then take a closer look at it and read as you like. [Very practical face aid]: Digital magnifier for visually impaired people, specially developed for the elderly visually impaired, 4.3-inch TFT LCD screen, ultra-bright 30W pixels.