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![LS RSM20-SP Solar Radar Speed Sign for Speed Warning](https://www.lsvisionhd.com/wp-content/uploads/2025/12/solar-radar-speed-sign-ls-rsm20-sp-with-led-speed-display-and-solar-panel-for-outdoor-speed-warning-600x600.webp)

# **LS RSM20-SP Solar Radar Speed Sign for Speed Warning**

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15+ Years OEM/ODM Solar Manufacturer.

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Strengthen your physical security with the newest strategies, measures and technologies.

LS-RSM20-SP is a solar-powered radar speed sign that detects vehicle speed and provides immediate feedback to drivers.

1. Built-in 24GHz RF millimeter-wave radar ;
2. Speed measurement range: 1-250km/h ;
3. Detection distance: Up to over 200 meters ;
4. Speed measurement width: 1 to 4 lanes ;
5. Speed measurement error: ±5km/h ;

1. Speed limit: Stick a speed limit reflective sticker ;
2. The display screen features 3-digit 2727 high-brightness LED lights (e.g. 188), with red characters for overspeed and green characters for non-overspeed ;
3. When there is no car, turn off the screen,when there is a car, the speed will be displayed ;
4. Display screen size: 370mm*220mm ;
5. Metal material, with yellow plastic spraying ;
6. Product dimensions: 850mm*450mm*100mm ;

Power supply mode: Optional AC220V, or solar power supply

60W solar panel 30AH battery,DC12V output (optional)

| SKU | LS-RSM10 | LS-RSM10-SP | LS-RSM20 | LS-RSM20-SP |
| --- | --- | --- | --- | --- |
|  | ![Speed Enforcement Ls Rsm10](https://www.lsvisionhd.com/wp-content/uploads/2026/02/Speed-Enforcement-LS-RSM10.webp) | ![Traffic Warning Devices Ls Rsm10 Sp](https://www.lsvisionhd.com/wp-content/uploads/2026/02/Traffic-Warning-Devices-LS-RSM10-SP.webp) | ![Radar Speed Sign Ls Rsm20](https://www.lsvisionhd.com/wp-content/uploads/2026/02/Radar-Speed-Sign-LS-RSM20.webp) | ![Traffic Warning Devices](https://www.lsvisionhd.com/wp-content/uploads/2026/02/Traffic-Warning-Devices.webp) |
| System Type | Speed Enforcement | Speed Enforcement | Speed Warning Only | Speed Warning Only |
| Power Supply | AC220V | Solar Power | AC220V | Solar Power |
| LPR Evidence Capture | 5MP LPR | 5MP LPR |  | |
| Radar Technology | 24GHz mmWave | 24GHz mmWave | 24GHz mmWave | 24GHz mmWave |
| Speed Range | 1–250 km/h | 1–250 km/h | 1–250 km/h | 1–250 km/h |
| Detection Distance | Up to 200 m | Up to 200 m | Up to 200 m | Up to 200 m |
| Lane Coverage | Radar 1–4 / Capture 1–2 | Radar 1–4 / Capture 1–2 | 1–4 lanes | 1–4 lanes |
| Effective Capture Zone | 15–25 m | 15–25 m | — | — |
| LED Display | Plate + Speed + Status | Plate + Speed + Status | Speed Only (Red/Green) | Speed Only (Red/Green) |
| PC Platform |  |  |  | |
| Blacklist |  |  |  | |
| Network | Ethernet / 4G | Ethernet / 4G | Standalone | Standalone |
| Use Cases | Highway / Government roads | Remote roads / No power | School / Community / Park | Remote school / park / site |

LS VISION: For a Better World！

LS VISION – Top & Professional Solar Powered Camera System Manufacturer Since 2010.

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