Description
The Zkong Valley Series is a family of lightweight electronic shelf labels built for grocery retail. Its slim design keeps the label close to the shelf edge without blocking the product, and wireless updates mean no cabling.
The series covers 16 models in 15 screen sizes, from 1.5 inch up to 11.6 inch. Every model uses a dot matrix EPD graphic screen in black, white, red and yellow and receives updates from the centralized cloud platform, so prices can change in real time from one place.
Built for grocery shelves
Zkong positions the series for grocery stores, and the page names supermarkets, fresh food, buffet, pharmacy, cosmetics, offices and boutique or pop-up shops as typical uses. Lightweight labels suit tight shelf space and frequent promotion changes.
Display and wireless
Every datasheet lists a viewing angle of nearly 180º and 6 usable pages. The labels work on the 2.4-2.485GHz band with BLE 5.4, 128-bit AES encryption and over-the-air (OTA) updates, and NFC is listed on all models.
Battery, life and certification
Battery capacity rises with screen size: 600mAh on the 1.5 and 1.8 inch models, 1200mAh from 2.13 to 4.2 inch, 2400mAh on the 5.8 and 7.5 inch models, and 3600mAh on the 10.2 and 11.6 inch models. Battery life is up to 5 years on the 1.5 and 1.8 inch models and 10 years on the others at 2 updates per day. CE, ROHS and FCC are listed on every datasheet, with SRRC added on five models.
Key features
- Lightweight, slim labels for shelf edges and tight spaces
- 16 models from 1.5 to 11.6 inch, dot matrix EPD
- Black/White/Red/Yellow pixel colours on every model
- 2.4-2.485GHz wireless with BLE 5.4, 128-bit AES and OTA
- NFC on every model
- Battery life up to 5 years (1.5 and 1.8 inch) or 10 years (other models)
- Updated in real time from the centralized cloud platform
Technical specifications
| Display technology | EPD (dot matrix graphic screen) |
|---|---|
| Sizes | 1.5″ to 11.6″ (15 sizes, see model list) |
| Pixel colours | Black/White/Red/Yellow |
| Viewing angle / usable pages | Nearly 180º / 6 |
| Operating frequency | Wireless 2.4-2.485GHz |
| Standard | BLE 5.4 |
| Encryption / OTA | 128-bit AES / Yes |
| NFC | Yes |
| Operating temperature | 0~40℃ |
| Certification | CE, ROHS, FCC (SRRC also: ZKC23V, ZKC28V, ZKC31V, ZKC35V, ZKC42V) |
| Battery capacity | 600mAh (ZKC15V, ZKC18V); 1200mAh (ZKC21V to ZKC42V); 2400mAh (ZKC58V, ZKC75V); 3600mAh (ZKC102V, ZKC116V) |
| Battery life | Up to 5 years (ZKC15V, ZKC18V); 10 years on other models (2 updates/day) |
Models and datasheets
- ZKC15V (1.5″): 152 x 152 pixels, 44.5 x 35.9 x 12.1 mm, 0~40℃. Datasheet (PDF)
- ZKC18V (1.8″): 224 x 168 pixels, 52.5 x 35.9 x 10.5 mm, 0~40℃. Datasheet (PDF)
- ZKC21V (2.13″): 144 x 296 pixels, 70 x 34.5 x 11.6 mm, 0~40℃. Datasheet (PDF)
- ZKC23V (2.3″): 122 x 250 pixels, 69.3 x 34.5 x 11.3 mm, 0~40℃. Datasheet (PDF)
- ZKC26V (2.66″): 152 x 296 pixels, 83 x 41 x 10.3 mm, 0~40℃. Datasheet (PDF)
- ZKC28V (2.8″): 152 x 296 pixels, 82.6 x 41.6 x 10.3 mm, 0~40℃. Datasheet (PDF)
- ZKC29V (2.9″): 296 x 128 pixels, 90 x 41 x 10.4 mm, 0~40℃. Datasheet (PDF)
- ZKC31V (3.1″): 300 x 300 pixels, 69.9 x 63.6 x 10.3 mm, 0~40℃. Datasheet (PDF)
- ZKC35V (3.5″): 230 x 480 pixels, 96.2 x 47.5 x 9.7 mm, 0~40℃. Datasheet (PDF)
- ZKC37V (3.7″): 416 x 240 pixels, 103.6 x 57 x 11.2 mm, 0~40℃. Datasheet (PDF)
- ZKC42V (4.2″): 300 x 400 pixels, 94.7 x 80.7 x 9.8 mm, 0~40℃. Datasheet (PDF)
- ZKC58V (5.8″): 648 x 480 pixels, 135.4 x 110 x 9 mm, 0~40℃. Datasheet (PDF)
- ZKC75V (7.5″): 800 x 480 pixels, 180.8 x 121.8 x 9 mm, 0~40℃. Datasheet (PDF)
- ZKC75V-D (7.5″): 528 x 880 pixels, 180.8 x 121.8 x 9 mm, 0~40℃.
- ZKC102V (10.2″): 960 x 640 pixels, 235 x 173 x 9.5 mm, 0~40℃. Datasheet (PDF)
- ZKC116V (11.6″): 960 x 640 pixels, 266.3 x 190 x 9 mm, 0~40℃. Datasheet (PDF)
What’s in the box
Datasheets list the packaging unit per box: 400 labels (ZKC15V, ZKC18V), 300 (ZKC21V, ZKC23V, ZKC26V, ZKC28V), 250 (ZKC29V), 350 (ZKC31V), 200 (ZKC35V, ZKC37V), 100 (ZKC42V), 20 (ZKC58V, ZKC75V, ZKC102V) and 10 (ZKC116V). No other kit contents are listed. Confirm the base station, mounting accessories and software licence for your project with our team.
Ideal for
Supermarkets and grocery stores, fresh food and buffet counters, pharmacies, cosmetics and beauty stores, offices, and boutique stores or pop-up shops with limited space.
Why buy the Valley Series ESL from Technowave
Technowave has supplied and supported Auto-ID and RFID technology across the UAE and GCC for more than 27 years. We help you choose the right configuration, set up and integrate the device with your ERP, WMS or POS, train your team and support it after go-liveShare your shelf sizes and store count and we will recommend the right Valley models and a matching ESL system for your electronic shelf label rollout. Protect your investment with our annual maintenance contract (AMC), or contact our team for a project quote and volume pricing.




















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