Key Features: 3.5”high-definition color LCD screen Dual camera design, get view both far and near Continuously adjustable magnification from 1x-15x Sharp full color mode and 14 other modes for reading Adjustable brightness of the backlight and adjustable intensity of fill-in light Screen Lock: freeze a text image on the screen for easier...

Key Features: 1. Intelligent voice prompt, two sounds adjustable 2. 4.3'' LCD screen, clear picture, no lag, no smear, fluent HD 3. 1X - 42X zoom adjustment for different vision people 4. 18 color modes to meet different people need 5. Freeze image for easy read the picture detail 6. Electronic curtain function 7. TV-OUT function...

Key Features: 3 button designs, simple to operate TV-OUT function for connecting with TV 18 high contrast color modes Continuous magnification: 1X~50X  Freeze image, magnification, and contrast modes adjustable Memory function: remember its setting from last power off The rechargeable lithium battery support the working time up to 4 hours...

Key Features: 1. 7-inch large display, wide viewing angle and large field of view. 2. 3X-60x infinite amplification, clear and smooth. 3. 12 color modes to meet different people need. 4. Freeze image for easy remove reading. 5. Long depth of field lens for different working distances. 6. The rechargeable lithium battery support the...