The lighting inside the coaches is provided by 110V AC or 110V DC supply with battery back-up system. Modern lamps may also have light-sensitive photocells to turn them ON at dusk and OFF at dawn, or activate automatically in dark weather. Coach Lighting systems are designed to work with battery-backup even in the failure of the coach-wise power system of 110V AC or 110VDC. And thus they provide illumination for the passengers to identify the way for commuting within the coach. These kind of lights are placed at the passage and at the doorways in railway coaches (1 each).

"Digital Posters" are also one kind of Outdoor Displays, where the display screens are designed & produced for viewing them at an aspect ratio of 1.5 :1 or some near aspect ratio. For some of the outdoor applications like displays at the Petrol Pump stalls, Path-ways to big hotels, auditoriums, path-ways to big airports, railway stations and bus complexes. the requirement of displays will be at a different aspect ratio other than the standard sizes, for having the optimum utilization of the physical space. Our products & variants of 'DigiPoster' are best fit for these kinds of requirements.