... you, to show the clear, beauty and moving image, it’s also to demand the perfect for each one over ten ... square millimeter.3.Internally installed with micro motor 28T/s, fluently operate, no noise with shakeproof system, has long time ... with the microswitch to become the integration, easy to update. Electric screen parameterSpecification size(length x high)Screen VarietyWithout MontageInch(mm ...