A shelf talker is a small sign attached to a retail shelf edge, positioned directly in front of a product. Its job is to “talk” to the shopper at the moment of decision. Traditional shelf talkers are printed on cardboard, PVC, or acrylic and clipped onto the price rail. They work — but they are static. Once […]

May 25, 2026 | 10 min read | By OIK Display Team Most buyers searching for epaper digital signage assume it’s one product category. It isn’t. The term covers three fundamentally different technologies — each with distinct capabilities, costs, and ideal use cases. A brand manager looking for an animated shelf talker and a retailer needing cloud-connected price labels are both

Here’s an honest breakdown of how they compare — and why the right choice depends on where and how you plan to use them. 1. Power: The Biggest Difference E-Ink Display LCD Display Power Source Coin batteries (CR2450) AC power outlet Battery Life 6–18 months N/A — requires constant power Wiring Needed None Yes —