Dual camera design, taking care of both near and far! It not only meets the needs of reading newspapers and other texts. It also meets the needs of reading the blackboard or using it when going out. Parameter: 1. Display type: 5-inch LCD display 2. Magnification: 4 times -32 times 3. Display resolution: QVGA (800x480) 4. Brightness: 500cd M, LED auxiliary light can be turned off, screen brightness can be adjusted. 5. The focal length of the lens: 3.5cm-6cm (supports switching between long-range and close-range) 6. Display mode selection: 19 types 7, with high-definition output port can be connected to TV TV 8. With micro USB cable 9. The sound of the fuselage can be turned off and on. 10. The machine has its own memory function, which can remember the user's habits before shutting down. 11. TF card can be inserted (maximum support 32GB), can take pictures (can record pictures) And look back. 13. Continuous working time of battery power supply: 4 hours, charging time: 6 hours 14. Power consumption: 5V 1A 15. Battery: External lithium battery 2500mA 16. Appearance size: 150 mm x 84 mm x 35mm 17. Weight: 220g (including battery) The package includes: 1. a cloth bag 2. Lanyard 3. HD line 4. Lithium battery 5. Host 6.USB cable charger 7.AV line 8. Instructions[Easy to carry and compact body]: Handheld Digital Magnifier ultra-thin shape, zero-distance design, support handle, easy to carry, two-color button design with concave text, high contrast, clear touch feel, ergonomic stand design, comfortable reading, smooth handwriting, Voice prompt function, simple operation, convenient for visually impaired people. [Memory function and TF storage]: Support TF memory card, unlimited storage capacity expansion, with memory function, automatically save all the user's last settings, remember the user's habits, with flashlight function, can provide temporary lighting function. [Smart Reading Aids Magnifiers]: Smart power-saving design, the screen will be static and will automatically shut down after 2 minutes of no operation, environmental protection and energy-saving, large capacity removable battery, power-saving design, battery life about 4 hours, support AV and HDMI external high-definition TV, providing larger and clearer visual effects. [5.0 inch TFT LCD display]: no lag, no smear, smooth reading, professional image processing ISP, true color and detail restoration, large anti-glare screen, resolution The rate reaches 800X480, the enjoyment of high-definition high-brightness large screen, supports 4X 32X infinite zoom, 19 color modes, clear and smooth, suitable for the elderly and people with low vision. [Portable Digital Magnifier]: The smallest and lightest high-definition handheld electronic video magnifier. It is an ideal vision aid for reading books, magazines, newspapers, bills, menus or any small print. It is for parents, elders or highly myopic people. The best gift for, this is a good choice for active people who want to carry an electronic magnifying glass with them.