Chinese 
Handheld Observation & Laser Ranging
Laser Rangefinders
4 KM Laser Rangefinder Module
JV-LRF1503DD is a long-range Class 1 eye-safe laser ranging module equipped with 1535nm infrared laser, delivering stable high-precision distance measurement for outdoor long-distance scenarios. Featuring compact structure, low power consumption and universal serial interface, it can be easily integrated into security monitoring, engineering surveying, industrial detection and handheld observation devices.
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OEM
ODM
Application Scenarios
Vehicle-Mounted Observation & Laser Ranging
Fixed-Site Surveillance & Laser Ranging
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4 KM Long-Range Ranging & Multi-Target Detection
Equipped with a 1535±5 nm Class 1 eye-safe laser, the JV-LRF1503DD supports long-distance ranging up to 4000 m for building targets under 10 km visibility conditions. It also supports simultaneous detection of up to three targets, with ±1 m ranging accuracy, a ≥98% valid measurement rate and single-shot or 1–10 Hz measurement modes for reliable long-range observation and monitoring.
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Compact Integration & Rugged Field Reliability
With a compact size of ≤27.7×24.6×15.4 mm and a weight of only 14±1 g, the module is designed for integration into compact optical and monitoring systems. Its 3.3 V TTL UART interface, DC 3–16 V input and low-power architecture simplify system integration, while the -40°C to 60°C operating temperature range supports reliable use in demanding outdoor environments.
Core Specifications
| Parameters | JV-LRF1503DD |
| Representative products |  |
| Eye Safety Class | Class 1 |
| Laser Wavelength | 1535 nm ± 5 nm |
| Beam Divergence | ≤0.8 mrad |
| Receiving Aperture | Φ15 mm |
| Max. Ranging (@10km Visibility) | 4000m (Building, 60% reflectivity) / 3000m (2.3×2.3m target, 30% reflectivity) / 1500m (0.5×1.7m target, 30% reflectivity) / 800m (0.2×0.3m target, 30% reflectivity) |
| Min. Ranging | ≤10 m |
| Ranging Accuracy | ≤±1 m |
| Distance Resolution | ≤20 m |
| Valid Measurement Rate | ≥98% |
| Multi-target Detection | Up to 3 targets |
| Measurement Frequency | Single shot, 1–10 Hz |
| Communication Interface | UART (TTL 3.3 V) |
| Supply Voltage | DC 3 V–16 V |
| Power Consumption | Standby ≤0.1 W; Average ≤1.5 W; Peak ≤3 W |
| Dimension | ≤27.7 × 24.6 × 15.4 mm |
| Weight | 14 g ±1 g |
| Temperature Range | Operating: -40℃ ~ +60℃; Storage: -45℃ ~ +75℃ |
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