ViSee 3.5" LCD Portable Electronic Digital Magnifier Reading Aid for Low Vision 3.5" LCD display. Four adjustable magnification levels from 3x-15x. Simple to use with single clicks for all features and functions. Sharp full color mode and six other modes for reading: Color, Black on White, White on Black, Yellow on Black, Yellow on Blue, Blue on White, Blue on Yellow. Rechargeable Li-ion battery with 4 hours continuous use. Charger is included. Video-out: to any monitor with video-in. Screen Lock: freeze a text image on screen for easier reading. Autofocus: have a clear view up to 5cm away from objects. FCC, CE and RoHS compliant. Manufacturers Warranty: 1 year.