1. 3.5aa portable digital magnifier 2. Magnification Range: 5x-10x 3. 7 modes:Full color, Positive, Negative, Blue on Whiteetc

* Magnification Range: 5x-10x

* Display: 3.5" diagonal; 4:3 aspect ratio

* Display mode:

(7 modes)         Full color, Positive, Negative, Blue on White, Black on Yellow, Blue on Yellow, Black on Green

* Freeze: Freeze and Defreeze

* Video-out: to any monitor with video-in

* Battery: Integrated lithium ion rechargeable battery

4 hours continual use

6 hours charge time

Charger included

* Dimensions: 109 mm x 79 mm x 25 mm

* Weight: 185g, Carrying case included.

* Warranty: One-Year Manufacturer Warranty

3.5'' portable electronic magnifier