Connecting it to TV to enjoy big screen. Collapsible handle and portable bag makes it easy to carry in your pocket or bag, aid your reading anytime, anywhere 1.display type: 4.3-inch high-definition color LCD widescreen 2. screen brightness: 300cd M, adjustable. 3.LED auxiliary lighting, fill light can be adjusted, the light can be turned off. 4.working distance: minimum 1MM, the farthest 3M (distant mode) 5.the magnification: the minimum 2 times, the maximum 32 times, the middle can be adjusted. 6.with image freeze function. 7.support AV and HDMI 1080i60 connected to TV output. 8.support memory function, automatically save all the user's last settings, remember the user's usage habits. 9.with a button tone, the sound can be turned off, the volume can be adjusted. 10.support for extrapolation TF card: support 2GB-32GB memory card. 11.support the camera function, you can record the picture, you can look back on the machine. 12.support MP3 music playback. 13.with a micro USB cable. 14.battery power continuous working time: 4 hours, charging time: 6 hours 15.using intelligent power-saving design, the picture is still and automatically shut down after 3 minutes of operation, environmental protection and energy saving 16.power consumption: 5V 1A 17.Battery: External detachable li[Widely Used Elderly Low Vision Aids]: Ideal eyesight aid for reading books, magazine, newspaper, bills, menus or anything with small print, it will be the best gift for your parents, seniors or the people with high myopia,Provide More Evenly Lit Viewing Area Relieve Eye Strai. [Can be connected to a large TV screen]: Connect to a TV or monitor Connecting the device to a TV through an AV video line, can provide a larger and clearer display effect. Connecting the device with the TV through an HDMI line will get a clearer and smoother display effect than connecting the device with the AV video line, After the video magnifier enters into the video output mode, the LCD screen will automatically be turned off. [Portable Digital Magnifier can shooting]: Can record pictures and look back,Push camera button for a little while to choose close or distance view,Magnification Adjustment Push zoom in or zoom out button to continuously choose magnifications from 4X to 32X,Wider field of vision, clearer font, more comfortable. [Handheld Digital Magnifier With Storage function]: Support memory card storage Extrapolate TF card, Storage and Playback Function With the Storage and Playback function, the user can save the materials and replay the important materials anytime and anywhere, Under replay, the images, press the freeze button to start or pause the recording voice. [4.3-inch Digital Portable Video Magnifier]: With Dual Camera The 4.3-inch display screen makes reading easier and brings an extraordinary visual experience, Helping people with low vision Eye problems are serious and many people suffer from amblyopia.