21W Linkable C-Clamp LED Booth Light – 2100lm, Wide 120° Beam, ETL Listed
Core bestselling C-clamp booth light
This 21W Linkable C-Clamp LED Booth Light is a proven core product for truss, pipe-and-drape and compatible booth frames. Its 120° beam covers graphics and shelving broadly, while the included link cable supports cleaner multi-light installations.
- Per fixture: 21W, 1800–2100lm, CRI90+, C-clamp, 3m cord and 1m link cable
- Fixed CCT: choose 2800–3200K, 4200–4500K or 6500–6800K
- Housing: choose Gray or Black
- Connection: link up to 10 fixtures per specified run
- Before ordering: confirm clamp fit and venue requirements
Wide-beam fixed-CCT C-clamp light for exhibition graphics, shelving and booth walls. The 21W fixture delivers 1,800–2,100 lm with CRI90+ and can link up to 10 lights from one suitable power outlet.
- Step 1 — Body color: choose Gray or Black.
- Step 2 — Color temperature: choose one fixed output—2800–3200K warm, 4200–4500K neutral or 6500–6800K cool.
- Step 3 — Plug: choose US, EU, UK or AU. Universal AC85–265V input requires no voltage converter.
Included with each light: C-clamp, 3m power cord and 1m daisy-chain extension cable. The 120° beam is designed for broad, even coverage rather than a narrow spotlight effect.
Have a show deadline? Send us the event, installation date and booth dimensions before ordering.
Need a compact, linkable light for truss, pipe-and-drape or standard booth frames? This 21W C-clamp LED booth light provides broad 120° illumination, CRI90+ color rendering and universal AC85–265V input for professional exhibition installations.
| Spec | Value |
|---|---|
| 💡 Brightness | 1800–2100lm |
| ⚡ Power | 21W |
| 🎨 Color Rendering | CRI 90+ |
| 🌡️ Color Temperature | 2800–3200K / 4200–4500K / 6500–6800K (fixed, choose one) |
| 🔗 Daisy Chain | Up to 10 units from 1 outlet |
| 🔌 Voltage | AC85–265V (Universal) |
| 🔧 Mount | C-Clamp (fits truss, pipe, standard booth frame) |
| ✅ Certifications | UL / ETL / CE / UKCA |
| 🛡️ Warranty | 3 Years |
| ⏱️ Lifespan | 50,000 Hours |
What’s Included
- 1 × 21W C-Clamp Linkable LED Exhibition Spot Light
- 1 × 3m Power Cord
- 1 × 1m Extension Cable (for daisy chaining)
- 1 × C-Clamp
Recommended Booth Coverage
| Booth Size | Suggested Quantity | Notes |
|---|---|---|
| 10×10 ft (3×3m) | 2–3 lights | Full front-wall coverage |
| 10×20 ft (3×6m) | 4–6 lights | Even illumination across both panels |
| 20×20 ft (6×6m) | 8–10 lights | Island booth, all four sides |
Why Exhibit Builders Choose This Light
- C-Clamp Mount — Securely attaches to truss, pipe, and standard booth frame structures
- Daisy Chain up to 10 Units — One outlet powers your entire booth run
- 1800–2100lm Output — Broad illumination for graphics, shelving and booth displays
- CRI 90+ Color Rendering — True-to-life product colors under exhibition lighting
- UL / ETL / CE / UKCA Listed — confirm the specific venue and show requirements
Need help choosing? Visit our Trade Show Booth Lighting FAQ or read our How to Attract More Visitors at Trade Shows.
Real-World Installation & Lighting Effect



Full Technical Specifications
| Parameter | Value |
|---|---|
| Power | 21W |
| Brightness | 1800–2100lm |
| Input Voltage | AC85–265V |
| Color Temperature | 2800–3200K / 4200–4500K / 6500–6800K |
| CRI | 90+ |
| Connector | Linkable (Daisy Chain) |
| Max Daisy Chain | 10 Units |
| Mounting | C-Clamp |
| Certifications | UL, ETL, CE, UKCA |
| Lifespan | 50,000 Hours |
| Warranty | 3-Year |
Shipping & Delivery
- 🚚 Free Worldwide Shipping via FedEx / DHL Express
- 📦 Estimated Delivery: 8–18 Business Days
- 🌍 Ships to USA, EU, UK, Australia, Canada, and 100+ countries
- ✅ Ships within 2–5 business days of order confirmation
- ✅ Factory direct — no middleman markup
Have a trade show deadline? Contact us with your show date. Need bulk pricing? View Wholesale & Volume Pricing.
Frequently Asked Questions
What is included with each light?
Each unit includes one 21W LED light, one C-clamp, one 3m power cord and one 1m extension cable for daisy chaining.
What structures can the C-clamp attach to?
The C-clamp securely attaches to truss systems, pipe and drape structures, and standard booth frame uprights commonly used at trade shows and exhibitions.
How many spotlights can I link together?
Up to 10 units from a single outlet via the daisy-chain connector. Full guide: How to Connect Multiple Trade Show Booth Lights
Is this ETL certified for U.S. convention centers?
The product is UL and ETL listed. Acceptance remains subject to the specific venue, show organizer and installation requirements, so confirm before ordering. Learn more: UL and ETL Certification for Trade Show Lights
What color temperature should I choose?
4500K works for most booths. 3000K suits lifestyle and luxury. 6500K suits tech and industrial. Full guide: Warm White vs Cool White: Color Temperature Guide
Does this work internationally?
AC85–265V supports common international mains voltages. Select the appropriate US, EU, UK or AU plug when ordering; confirm local venue and electrical requirements before installation.