LRF‑5 1535nm Class 1 Eyesafe Laser Rangefinder Module Max 5km Compact 95g OEM Custom Interface
1. Introduction
LRF-5 is a housing-free eye-safe laser rangefinder bare module. It delivers compact outline, light weight, low power consumption and long service lifetime. Equipped with rich interfaces, it can be easily embedded into various host systems. Matching PC control software and complete communication protocols are provided, suitable for handheld devices, UAV payloads and optoelectronic monitoring equipment.
2. Product Features
- Single-shot ranging and continuous ranging working modes
- Multi-target detection with front-rear target indication, up to 5 identifiable targets
- Built-in self-checking function
- Wake-up trigger function
- Long service life: MNBF emitted pulses ≥1*10⁶ times
3. Performance Curve

4. Technical Specifications
| Parameters | Unit | Comments | |
|---|---|---|---|
| Safety Class | - | Class 1 | Eye safe |
| Wavelength | nm | 1535±5 | — |
| Max Measuring Range | m | ≥5000 | Target of 2.3mx2.3m visibility of 8km |
| Min Measuring Range | m | ≤50 | — |
| Range Accuracy | m | ±2 | Affected by weather conditions and target reflectivity |
| Measuring Rate | Hz | 0.5-10 | — |
| Multiple Targets | - | 5 | — |
| Precision | % | ≥98% | — |
| False Alarm Rate | % | ≤1% | Probability of occurrence of noise |
| Dimensions | mm | 69x41x30 | LxWxH |
| Weight | g | ≤95 | — |
| Data Interface | - | molex-532610771 | Other interfaces can be customized |
| Power Supply | V | 5 | — |
| Peak Power Consumption | W | 2 | Max power consumption when start up |
| Standby Power Consumption | W | 1.2 | Function to be shut down by external signal can be customized |
| Vibration | - | 5Hz, 2.5g | — |
| Shock | - | Axial 100g, 1ms | Can be increased based on user’s application scenarios |
| Operation Temperature | ℃ | -40~+65 | — |
| Storage Temperature | ℃ | -55~+70 | — |
5. Application Scenarios
- Handheld ranging devices
- UAV payload integration
- Optoelectronic monitoring systems
- Field surveying & mapping
6. Dimensions

7. FAQs
Q1: Is the laser source eye-safe?
A: Yes, it adopts Class 1 eye-safe 1535nm laser.
Q2: How many targets can this module detect?
A: It supports up to 5-target detection with front-rear target indication.
Q3: Is custom interface available?
A: Yes, molex-532610771 is standard, other interfaces can be customized.
Q4: What environmental resistance does it have?
A: Operating temperature -40℃ ~ +65℃, with standard vibration and axial shock resistance performance.
1.Class 1 eye-safe 1535nm laser source, maximum measuring distance up to 5000m. 2.Compact bare-module form-factor, lightweight ≤95g for convenient system integration. 3.Supports single / continuous ranging, multi-target detection, self-check and wake-up trigger function. 4.Broad