SOLUM Newton Pro Full Color 4 white

With a 4.2-inch E Ink Spectra 7 display capable of rendering seven distinct colors, the SOLUM Newton Pro Full Color 4 White redefines retail shelf communication. Its 400 x 300 pixel resolution at 120 DPI ensures crisp, high-contrast visuals that remain perfectly legible from any angle, thanks to a 180-degree viewing cone. Powered by an ARM Cortex-M4 processor and protected by AES-128 encryption, this label delivers secure, reliable updates over a proprietary 2.4 GHz RF link with an indoor range of up to 30 meters.

Overview

The Newton Pro Full Color 4 is a state-of-the-art electronic shelf label (ESL) engineered for dynamic retail environments. Its E Ink Spectra 7 technology provides a paper-like reading experience while enabling vibrant color coding for promotions, pricing tiers, or product categories. The device is housed in a clean white casing with an IP67 rating, making it fully dust-tight and resistant to temporary immersion—ideal for fresh food sections, cold aisles, or even outdoor displays. With a battery life of up to 10 years at two updates per day, it drastically reduces maintenance overhead compared to traditional paper tags.

What stands out

• Seven-color E Ink display (black, white, red, green, blue, yellow, orange) for high-impact visual merchandising.
• Exceptional battery longevity—up to a decade of service under typical usage.
• IP67 ingress protection ensures reliable operation in harsh retail conditions.
• Secure proprietary RF communication with AES-128 encryption prevents tampering and unauthorized updates.
• Ultra-low power ARM Cortex-M4 processor enables fast refresh times of 5–10 seconds for full-screen changes.

Technical details

• Display: 4.2-inch E Ink Spectra 7 (7-color EPD), 400 x 300 pixels, 120 DPI
• Connectivity: 2.4 GHz RF (proprietary), range up to 30 m indoor
• Processor: ARM Cortex-M4
• Security: AES-128 encryption
• Battery life: Up to 10 years (2 updates/day)
• Operating temperature: 0°C to 40°C
• Storage temperature: -20°C to 60°C
• Ingress protection: IP67
• Viewing angle: 180 degrees
• Refresh time: 5–10 seconds (full update)
• Casing colour: White

Our verdict

The SOLUM Newton Pro Full Color 4 White is a premium ESL solution that combines vivid color, robust durability, and long-term reliability. Its seven-color E Ink display and IP67 rating make it a versatile choice for retailers seeking to modernize shelf labeling while minimizing operational costs.