Usb/video Electronic Digital Tv And Pc Video Mouse Magnifier For Low Vision Vision/reading Assistant: Compatible With Tvs The product is shipped based on the color or size of the main image of the product page. Product name: Portable mouse video magnifiershape: mouseColour: BlackNumber of buttons: 3Focus range: 1-100mmZoom ratio: 1x~16xMagnification: 20x~320x (23 display data)Sensor: HD CMOS sensorColor Mode: 1010 modes: full color, white on black, black on white, black on yellow, white on blue, blue on white, white on red, red on yellow, yellow on black, yellow on redInterface type: USB2.0/AV interfaceImage Freeze: Freeze and ThawFunction: Connect with PC or TVVideo output: to any monitor with video inputDriver: driver-freePower supply: USB adapter or USB interfaceWorking hours: continuousButton sound: yesOperating temperature: 5C -- 50CSize: 93*64*48mmWeight: 75g