* magnification range: 3x-15x * 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 205*160*75mm, 195g, 103*76*19mm