Black Square Radar Speed Sign – Real-Time Driver Feedback & Full Customization

🚗 Slow down speeding drivers with instant visual feedback.

This is our black square radar speed display sign — a professional traffic calming solution designed to reduce vehicle speeds and improve road safety. Whether you're managing a highway, school zone, construction area, or residential community, this sign gives drivers real-time speed feedback that encourages them to slow down naturally.

What makes this radar speed sign different?

⚫ Sleek black square housing – Modern, professional appearance made from durable sheet metal (aluminum available). White silk-screen lettering for high contrast and long-lasting readability.

🟢🔴 Dual-color intelligent alert – Green speed display rewards compliant drivers. Red display instantly warns speeders — a proven psychological trigger that reduces average speeds by 30–60%.

📡 24GHz Doppler radar – ±2km/h accuracy with a 200-meter detection range. Detects vehicles approaching, departing, or both directions.

📱 APP + remote control – Full parameter configuration via Bluetooth. Adjust speed limits, units, brightness levels, display modes, and correction factors wirelessly.

🔋 Flexible power – AC grid power (standard) or solar panel with lithium battery. The solar version runs 3–5 days during continuous cloudy/rainy weather — no downtime, no hassle.

🛡️ IP54 weatherproof – Built for outdoor durability. Operating range: -20°C to +70°C.

📐 Fully customizable – Three-digit speed display (up to 200km/h). Size, color, logo, and packaging all customizable. OEM/ODM projects welcome.

See it in action. Watch the video to see how this sign performs in real-world conditions — clear LED visibility, accurate radar detection, and instant driver response.

📞 Contact Us Website: https://www.jktrafficlight.com/ Email: sale1@jktrafficlight.com WhatsApp/WeChat:+86 13677945786

Request a quote — Tell us your size, color, power preference, and quantity. We'll get back to you within 24 hours.