ShelfByte Flux E-Tags Family

Flux Pro

Your store's real-time pricing brain

4-color

Clear promos your customers can't miss.

90s sync

Fast updates without store disruptions.

10+ yrs

Zero maintenance headaches.

15m

Less hardware, lower installation cost.

Talk to an expert Explore lineup

Nano Banana E-Tag showing Doritos pricing

Board-level proof

Confidence for finance, ops, and IT.

Book a 20-min walkthrough Explore hardware lineup

99.9% price accuracy

Eliminates compliance risk and customer complaints.

30 days deployment

From PO to first live store. Faster than any major vendor.

10+ yrs battery plan

Stable OPEX, predictable store ops.

90s sync cadence

Real-time pricing without system overload.

Pilot to scale

Flux live in a few weeks, without chaos.

We ship with the playbook, the SOPs, and the guardrails. Your teams keep selling while the tags come online.

Phase 1Step 1

Design & data intake

Templates, feeds, promo logic, brand rules

Phase 2Step 2

Pilot rack fit & RF check

Rail fit, coverage map, interference scan

Phase 3Step 3

Provision & ship

Pre-batched, labeled, with swap kit & SOPs

Phase 4Step 4

Go live & coach

Axis monitoring, rollback guardrails, staff playbook

Playbooks that win

Three moves that pay for Flux fast.

Start here in the exec deck. Proven, measurable, and simple to operationalize.

45 secAisle switch

Launch morning

Flip promos without reprints; audit trail built-in.

70%Faster updates

Promo agility

Flash sales and seasonal pivots land in minutes, not hours.

87%Labor saved

Store ops sanity

Swap batteries, not tags. Staff stays on the floor with customers.

ESL lineup · specs at a glance

Find the right Flux label for every shelf.

Compare colors, resolution, size, battery life, RF range, and temperature ratings in seconds—so retail, IT, and ops can align quickly.

Talk to an ESL specialist

Flux

Flux 1.54"

200 × 2001.54” square

1.54” square · BW / BWR / BWRY

BatteryCR2450 × 1Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Flux

Flux 2.13"

250 × 1222.13”

2.13” landscape · BW / BWR / BWRY

BatteryCR2450 × 2Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 2.13" w

250 × 1222.13”

2.13” landscape · BW

BatteryCR2450 × 2Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 2.66"

296 × 1522.66”

2.66” landscape · BW / BWR / BWY

BatteryCR2450 × 2Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 2.91"

296 × 1282.91”

2.91” landscape · BW / BWR / BWRY

BatteryCR2450 × 2Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 3.50"

384 × 1843.50”

3.50” landscape · BW / BWR / BWRY

BatteryCR2450 × 2Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 4.20"

400 × 3004.20”

4.20” landscape · BW / BWR / BWRY

BatteryCR2450 × 3Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 4.30"

522 × 1524.30”

4.30” landscape · BW / BWR / BWRY

BatteryCR2450 × 3Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 4.30" Wateproof

522 × 1524.30”

4.30” landscape · BW / BWR / BWRY

BatteryCR2450 × 3Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 5.80"

648 × 4805.80”

5.80” landscape · BW / BWR / BWRY

BatteryCR2450 × 6Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 7.50"

960 × 6807.50”

7.50” landscape · BW / BWR / BWRY

BatteryCR2430 × 6Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 10.20"

960 × 68010.20”

10.20” landscape · BW / BWR / BWRY

BatteryCR2450 × 12Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 12.50"

1304 × 98412.50”

12.50” landscape · BW / BWR / BWRY

BatteryCR2450 × 12Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Cost-optimized

Flux 13.30"

960 × 68013.30”

13.30” landscape · BW / BWR / BWRY

BatteryCR2450 × 12Range13–15 mTemp0°C to 40°C

Dot-matrix E-ink displayClose to 180° viewing angle

Want a tighter walk-through? We’ll match sizes to your rails, promos, and battery plan.

Book a 15-minute review Download specs

Integration ecosystem

How Flux connects to your retail stack

Axis orchestrates, Link bridges, Mesh extends—keeping pricing precise without slowing store ops.

Flux Tags

14 models, 4-color displays, 10+ year battery

Connects to meshConnects to link

Mesh Network

Tag-to-tag relay, self-healing coverage

Connects to fluxConnects to link

Link Gateways

2.4 GHz bridges, store-level coordination

Connects to meshConnects to axis

Axis Control

Central orchestration, 90s sync polling

Connects to linkConnects to cloud

Cloud API

REST/GraphQL, integrations, analytics

Connects to axis

Why it holds up in the field

Lean chain-of-custody from API to tag. Private 2.4 GHz, supervised sync windows, and mesh failover keep stores quiet while prices stay exact.

Radio

Private 2.4 GHz, supervised

Sync windows

90s cadence, throttled

Failover

Mesh reroute on link loss

Security

Signed updates, API auth

API shape

REST/GraphQL for price pushes, promo payloads, and monitoring. Webhooks for exceptions. Ready to slot into POS/ERP.

See integration checklist Talk to solutions

Automatic failover

Mesh reroutes around failed gateways—pricing stays live.

Scale without noise

1 to 10,000+ tags per site with throttled sync windows.

API-first

REST/GraphQL for price, promo, and monitoring. Webhooks for exceptions.

Quick Compare

Pick the right Flux for each aisle

All models share the same private 2.4 GHz protocol, support battery replacement, and sync via Axis.

14 Models · Ready to deploy

Model	Colors	Resolution	Dimensions	Battery	Range	Temp
Flux 1.54"	BW / BWR / BWRY	200 × 200	49.0 × 37.6 × 13.0 mm	CR2450 × 1≥10 years	13–15 m100%	0°C to 40°C
Flux 2.13"	BW / BWR / BWRY	250 × 122	71.3 × 35.6 × 12.0 mm	CR2450 × 2≥10 years	13–15 m100%	0°C to 40°C
Flux 2.13" w	BW	250 × 122	71.3 × 35.6 × 12.0 mm	CR2450 × 2≥10 years	13–15 m100%	0°C to 40°C
Flux 2.66"	BW / BWR / BWY	296 × 152	85.8 × 41.8 × 12.0 mm	CR2450 × 2≥10 years	13–15 m100%	0°C to 40°C
Flux 2.91"	BW / BWR / BWRY	296 × 128	91.2 × 41.0 × 12.0 mm	CR2450 × 2≥10 years	13–15 m100%	0°C to 40°C
Flux 3.50"	BW / BWR / BWRY	384 × 184	100.5 × 48.5 × 12.0 mm	CR2450 × 2≥10 years	13–15 m100%	0°C to 40°C
Flux 4.30"	BW / BWR / BWRY	522 × 152	129 × 42.0 × 12.0 mm	CR2450 × 3≥10 years	13–15 m100%	0°C to 40°C
Flux 5.80"	BW / BWR / BWRY	648 × 480	134.5 × 114.0 × 9.0 mm	CR2450 × 6≥10 years	13–15 m100%	0°C to 40°C
Flux 7.50"	BW / BWR / BWRY	960 × 680	178.0 × 127.0 × 9.0 mm	CR2430 × 6≥10 years	13–15 m100%	0°C to 40°C
Flux 10.20"	BW / BWR / BWRY	960 × 680	233.0 × 170.9 × 9.0 mm	CR2450 × 12≥10 years	13–15 m100%	0°C to 40°C
Flux 12.50"	BW / BWR / BWRY	1304 × 984	281.3 × 229.0 × 17.8 mm	CR2450 × 12≥10 years	13–15 m100%	0°C to 40°C
Flux 13.30"	BW / BWR / BWRY	960 × 680	294.72 × 229.56 × 9.0 mm	CR2450 × 12≥10 years	13–15 m100%	0°C to 40°C
Flux 4.20"	BW / BWR / BWRY	400 × 300	99.2 × 89.0 × 12.0 mm	CR2450 × 3≥10 years	13–15 m100%	0°C to 40°C
Flux 4.30" Wateproof	BW / BWR / BWRY	522 × 152	129 × 42 × 12.0 mm	CR2450 × 3≥10 years	13–15 m100%	0°C to 40°C

All Flux tags use the same private 2.4 GHz protocol optimized for retail environments. Battery life assumes 2-3 updates per day. Temperature and humidity specs are operational ranges—contact us for storage specifications.