| Typical Letter Height | 0.8–1.2 m | 1.2–2.0 m | 1.5–3.0 m | 1.0–2.4 m | Confirm finished height, overall word width, and venue access dimensions. |
| LED Technology | LED modules or flexible LED strips | High-density LED modules | Sealed LED modules with protective coating | Replaceable modules designed for frequent assembly | Request LED type, module spacing, replacement method, and spare-module quantity. |
| Brightness | 800–1,500 nits | 1,200–2,500 nits | 2,000–5,000 nits | 1,500–3,500 nits | Choose brightness according to indoor, shaded outdoor, or direct-sunlight conditions. |
| Color and Effects | Single color or RGB | RGB with static and animated effects | RGB with weather-protected lighting | RGB, chasing, fading, and programmed scenes | Check controller compatibility, color uniformity, dimming range, and software language. |
| Ingress Protection | IP20–IP44 | IP44–IP54 | IP65 or higher for exposed surfaces | IP44–IP65, depending on the rental environment | Ask for the test report and confirm whether the rating applies to the complete assembled letter. |
| Frame Materials | Painted steel or lightweight aluminum | Aluminum frame with acrylic or polycarbonate face | Powder-coated aluminum, stainless steel, acrylic, or polycarbonate | Reinforced aluminum or steel with modular joints | Check corrosion resistance, material thickness, weld quality, and edge finishing. |
| Power Consumption | 80–180 W per letter | 150–350 W per letter | 250–700 W per letter | 150–500 W per letter | Request maximum and average wattage, power factor, voltage, and circuit requirements. |
| Power Supply | 12 V or 24 V DC | 24 V DC with protected drivers | 24 V DC with outdoor-rated enclosures | 24 V DC with quick-connect cabling | Verify input voltage, electrical certifications, grounding, and protection against overload. |
| Approximate Weight | 15–35 kg per letter | 25–70 kg per letter | 45–150 kg per letter | 20–80 kg per letter | Confirm packed weight, lifting points, transport method, and installation labor requirements. |
| Base and Stability | Flat base for indoor floors | Wider base with concealed supports | Ballasted base, anchor points, or engineered supports | Interlocking bases for rapid setup and removal | Ask for wind-load calculations and anchoring instructions for outdoor installations. |
| Controller and Connectivity | Wired remote or basic controller | DMX, RF, or wired control | DMX, Ethernet, or protected wireless control | DMX with addressable sections and synchronized control | Confirm control distance, number of channels, synchronization, and backup-control options. |
| Production Lead Time | 15–25 working days | 20–35 working days | 30–50 working days | 20–40 working days | Get a written schedule covering artwork approval, sample production, testing, packing, and shipment. |
| Quality Documentation | Basic inspection checklist | Electrical and lighting test records | Electrical, ingress-protection, and structural documentation | Pre-shipment test video and component checklist | Request inspection photos, test videos, wiring diagrams, manuals, and spare-parts lists. |
| Recommended China Purchasing Route | Direct online quotation for simple designs | Specialized Led Signage manufacturer | Manufacturer with outdoor engineering capability | Event-display manufacturer or rental-equipment supplier | Evaluate factory photos, export experience, sample quality, inspection process, and after-sales support. |
| Best Use Case | Retail interiors, studios, and small exhibitions | Malls, hotels, showrooms, and permanent displays | Outdoor events, attractions, venues, and public spaces | Trade shows, weddings, concerts, and temporary campaigns | Match the construction, safety level, mobility, and weather exposure to the actual venue. |