Feature: Portable 4.3-inch electronic vision aid digital magnifying glass, with 7 modes, 25 times magnification, graphic freeze, TV output and other functions. parameter: Magnification: 6x-25x Display screen: 4.3 inches, 16:9 display ratio Color mode: full-color black text on a black background white text on a black background yellow text on a black background sale text on a blue background blue text on a blue background blue text on a blue background Image sensor: 1 4", 640x480 Lens: 60 degrees Image freeze: freeze release Video output: can be output to any monitor with TV input Automatic shutdown: no key operation after 10 minutes Product size: 158 mm x 88 mmx 25 mm Product weight: 285g Battery: rechargeable and replaceable lithium battery, continuous use time: 4 hours, charging time: 6 hours Accessories: power adapter video cable carrying case strap lithium battery wipe cloth manual.[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. Connecting to a TV can get a larger magnification, making reading easier and more comfortable. [Camera shooting and TF storage]: Support external memory card for photo storage. When faced with a rush, we can choose to shoot first and wait for reading in our leisure time farther, higher text that is not easy to read close to the distance, by freezing the picture Then watch it up close and read as you like. [Ideal visual magnification]: Elderly Low Vision Aids has a zoom in out function, which can zoom in and out of the viewed text in a loop, and the zoom in out levels are 6X 25x in turn. [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 3 hours. If there is no operation for 3 minutes, Digital Magnifier will automatically shut down and always ensure sufficient power. [Very practical Vision aid]: Visual Impairment Aids Digital Magnifier specially developed for the elderly low vision people, 4.3-inch (16:9 display ratio) TFT LCD display, ultra-clear pixels.