range from 2x to 22x (connected to HD TV, e.g.  40“, magnification 12x to 125x)Generous depth of field for variable viewing distancesStand with ergonomic tilted angleNon-reflective 7" display,16:9Large [...] – 22 xField of view/Visual field/Field of vision (horizontal)67 mmDisplay TechnologyTFT-LCD, reflexionsfreiScreen size/diagonal in cm17.9 cmScreen size/diagonal in Inch7 "Screen resolution1024 x 600pxScreen [...] batteryLithium-IonenOperating Time (Battery)/Battery run time3.6 hCharging time3 hPower supply charging deviceIn: 100-240VAC 50/60Hz 0.6A max, Out: 9VDC 2.5AOperating temperature10 – 40 °CCharging portRund-Hoh

range from 2x to 22x (connected to HD TV, e.g.  40“, magnification 12x to 125x)Generous depth of field for variable viewing distancesStand with ergonomic tilted angleNon-reflective 7" display,16:9Large [...] – 22 xField of view/Visual field/Field of vision (horizontal)67 mmDisplay TechnologyTFT-LCD, reflexionsfreiScreen size/diagonal in cm17.9 cmScreen size/diagonal in Inch7 "Screen resolution1024 x 600pxScreen [...] batteryLithium-IonenOperating Time (Battery)/Battery run time3.6 hCharging time3 hPower supply charging deviceIn: 100-240VAC 50/60Hz 0.6A max, Out: 9VDC 2.5AOperating temperature10 – 40 °CCharging portRund-Hoh