5 /7 /9 Inches Electronic Eyepiece Display Screen Microscope Camera for Stereo Biological Microscope Electronic Eyepiece Triocular Microscope HD Monitor-C

This is a very practical microscope monitor with eyepieces, Support button touch (only for 7 and 9 inches), not only can be powered by USB, but also can be powered by an external mobile power supply, so as to solve the problem of no power outlet when used outdoors.
Feature: Support dual power supply modePortable battery or  AdapterHigh Quality, High Resolution, Clear
ImagesSensor: 2MPSupport button touch (Except for 5 inch) 
Monitor: 16:9 / 4:3
Brightness: 0-40
AdjustableContrast: 0-40AdjustableChroma:0-40AdjustableImage rollovers:supportSupport for external display (TV interface) (Except  for  5 inch)Scale mark lines: 2lines.
Language: English/simplified
Chinese(Supports multiple national languages)Power: DC 5V/2A 
  Specificaion: Screen
size: 5 inches / 7 inches / 9 inchesMonitor
Size: 12 x 6 cm (5 inches)                       18 x 12 cm (7 inches)                       22.5 x 14.5 cm (9 inches)
  Resolution:  
5 inches: 480 * 680                    7 inches:   800*600                    9 inches:   800*600with 23.2 mm or 30mm or 30.5 mmm  mounting diameter It is suitable for most biological microscopes or  Triocular microscopePackage
Includes: 1 x Electronic Eyepiece Display Scree1 x Power Adapter1 x TV Cable(Except  for  5 inch)1 x 30mm Ring adapter1 x 30.5 mm Ring adapterAttentionOnly the Electronic Eyepiece Display Screen included, NOT including the microscope