E-paper signage
E-paper signage for the places screens can't go
Some spots will never have a power socket or a network cable, and that is where most signage stops. Castit puts fully managed, wireless e-paper displays on door signs, meeting rooms, shelf labels, and warehouse racks, all controlled from the same dashboard as your screens. No cabling. The battery lasts up to 5 years on smaller formats, depending on the number of refreshes.
What is e-paper signage?
E-paper signage uses electronic paper displays, the same low-power, paper-like technology found in e-readers, to show wirelessly updatable content without cables or a constant power supply.
The displays reflect ambient light instead of shining it at you, so they read like printed paper, stay sharp in bright rooms and direct sun, and use almost no power. Because they are wireless and battery-powered, e-paper displays go where traditional screens can't - on doors, shelves, racks, and walls with no socket nearby. And because they update remotely, they replace printed signs that would otherwise be reprinted and swapped out by hand.
Paper you can update from anywhere
E-paper behaves more like ink on a page than like a monitor. Tiny particles rearrange to form the image, then hold it in place.
The advantages that matter in a building
Put signage anywhere
With no cabling or power socket required, a display goes where the information is needed, not where the wiring reaches.
Almost no running cost
No electricity for static content means the cost of running a display rounds to nothing.
Updates, not print runs
Change a room name, a price, or a notice in seconds, without designing, printing, and walking the building to replace paper.
One technology, many small problems solved
Meeting rooms and door signs
Availability and today's schedule shown where people arrive, updating automatically as bookings are made or canceled.
Wayfinding and directories
Floor guides and directory boards that update the moment someone moves office.
Retail shelf and price labels
Prices and product info that change centrally, with no reprinting at the shelf edge.
Warehouse and logistics
Rack, bin, and location labels updated remotely as stock and layouts change.
Desk and workspace booking
Free now, booked later, or taken for the day, shown on the spot so nobody has to check a system first.
Menus and notices
Café menus, safety notices, and daily information kept current without a printer.
Managed alongside your screens, not in a separate system
Your e-paper displays live in the same dashboard, the same content library, and the same workflow as your screens. Design a layout once, schedule it, and push it to a door sign the same way you push a playlist to a video wall. Castit supports modern color e-paper, including six-color panels, so branding and wayfinding stay clear and legible.
Explore Castit →Turn every meeting room door into a booking display
Mounted at the door, e-paper room signs show whether a room is free or busy, what's booked next, and the day's schedule, synced from your calendar system and updated wirelessly. Part of the GuideLites platform — the same partner and contract that run your signage can manage your rooms too.
You are hereDigital Signage
Digital Reception
Room Booking
one contract · one dashboard · one partner
Already on the wall, in real buildings
One customer replaced printed signs across a building with e-paper displays, all updated remotely from a single platform. No printer, no plastic sleeves, no walking the floors with paper. From holiday resorts to workplaces, teams are swapping fragile printed signage for displays they can change from a desk.
Customer stories →E-paper is one part of the platform
See e-paper on your walls
Book a 30-minute demo. Tell us which printed signs you are tired of maintaining, and we will show you what they look like as e-paper you can update from your desk.
Frequently asked questions
What is e-paper signage?
E-paper signage uses low-power electronic paper displays to show content wirelessly, without cables or a constant power supply. The displays look like printed paper and can be updated remotely in seconds.
How long does an e-paper display's battery last?
Up to 5 years on smaller formats, depending on the number of refreshes; the figure assumes about two a day. E-paper only uses power when the image changes, so the less often a display updates, the longer its battery lasts.
Can e-paper displays show color?
Yes. Modern color e-paper, including six-color panels, is supported in Castit, so branding, wayfinding, and menus stay clear rather than being limited to black and white.
How are e-paper displays managed?
In Castit, e-paper displays are managed from the same dashboard as your screens. You design, schedule, and publish content to them the same way, and updates reach them wirelessly.
What are e-paper displays used for?
Common uses include meeting room and door signs, wayfinding, retail shelf and price labels, warehouse and rack labels, desk booking, and menus, essentially any sign that changes but has no power or cabling nearby.
Can e-paper signs show meeting room availability?
Yes. Mounted at the door and synced with your calendar system, e-paper room signs show whether a room is free or busy and what is booked next, as part of the GuideLites room-booking pillar.