1. Display type: 4.3-inch TFT LCD display (true color) 2. Display resolution: QVGA (320x240) 3. Brightness: 250cd M, adjustable 4. Light: LED light fill light, 6-level adjustment. The light can be turned off. 5. Focal length: 1cm-5cm auto focus 6. Magnification: 2-32 times (with buttons for zooming in and out) 7. Display mode selection: 12 kinds 8. With memory function: the last operation can be remembered after booting. 9. AV output: It can be connected to the TV output to display the content on the TV screen. 10. External lithium battery: continuous working time is about 4 hours, charging time: 4-6 hours 11. Charger: Mini USB interface 12. Battery: External lithium battery (1500 mA) 13. Output power: 5V 1000mA (max) 14. Weight: 190 grams (including battery) 15. There is a prompt sound when the fuselage is operated with a buzzer, and the prompt sound can be turned off Package Contents E-reader: 1 Video output line: 1 Power adapter: 1 Manual: 1 Cloth bag: 1 Clean cloth: 1 Lithium battery: 1 Lanyard: 1 Packing box: 1[Very practical Vision aid]: Ideal eyesight aid for reading books, magazines, newspapers, bills, menus, or anything with small print, it will be the best gift for your parents, seniors, or the people with high myopia. [Applicable people for vision aids]: Low vision patients with corrected vision less than 0.3 (including those with visual impairment caused by various congenital or acquired eye diseases: such as age-related macular degeneration (AMD), diabetic retinopathy, glaucoma, cataracts, Optic nerve atrophy, corneal disease, retinopathy of prematurity, eye trauma, albinism, high myopia or hyperopia, etc. [4.3-inch TFT LCD display] Color 4.3-inch LCD screen, wide viewing angle, portable handheld Digital Magnifier with up to 2-32 times magnification, long depth of field 35mm lens suitable for different working distances, hand-held focus and writing focus are accurate Clear, foldable reading and writing stand, especially convenient for writing and reading. [Portable Digital Magnifier features]: LED fill light, 6-gear adjustment, 1cm-5cm autofocus, 12 color modes, with memory function, provide AV output to connect to a large screen, external lithium battery, 158mmx80mmx24mm, with The telescopic frame will automatically shut down if there is no operation in 3 minutes. [Eading Aids Magnifiers]:This product is an electronically assisted reading tool designed to solve the inconveniences of middle-aged and other amblyopia groups in reading newspapers and in life.With magnification adjustment, it can be used by people with low vision who have different vision conditions.