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Leading PIR Sensor & Fresnel Lens Manufacturer

HaiWang specializes in developing, manufacturing, and exporting human detection components, infrared/microwave modules, and sensitive electronic components for over 20 years. Trusted by global partners in security, automation, and smart systems.

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Hot Picks in Sensor Technology

Our most popular and high-performance sensor modules trusted across industries.

Flame Sensor HW-F220

Flame Sensor HW-F220

HaiWang Direct-insert civilian fire alarm sensor with high sensitivity and fast response.

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Flame Sensor HW-F330

Flame Sensor HW-F330

Reliable fire alarm sensor for industrial and residential safety systems.

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PIR Sensor Module HW-KASHEF-2

PIR Sensor Module HW-KASHEF-2

High-precision passive infrared motion detection module for security and automation.

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S001F24A51 PIR Flame Sensor

S001F24A51 Digital PIR Flame Sensor

Temperature-compensated digital passive infrared flame sensor with enhanced stability.

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Our Product Lines

Comprehensive range of sensors and modules for diverse applications in security, automation, and environmental monitoring.

PIR Sensor Series

  • • PIR Sensor Module
  • • PIR Sensor
  • • PIR IC
  • • PIR Lens

Microwave Sensor Series

  • • Microwave Sensor Module
  • • 5.8GHz Frequency Motion Sensor
  • • 10.525GHz Frequency Motion Sensor

Light Sensors

  • • CDS Light Sensor
  • • LDR Light Sensor

Thermistor Sensor Series

  • • NTC Thermistor
  • • PTC Thermistor
  • • NTC Temperature Sensor

Fresnel Lens

  • • Fresnel Solar Lens
  • • Wide-Angle Fresnel Lens
  • • Fresnel LED Lens
  • • Fresnel PVC Magnifier

Alarm Sensor

  • • Anti-Sleep Alarm
  • • Personal Safety Alarm

Industry-Specific Sensor Solutions

Customized sensing technologies designed to meet the unique demands of various industries.

Security System

Advanced PIR and microwave modules for intrusion detection, smart locks, and surveillance systems.

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Pet Induction Products

Pet-immune motion sensors that reduce false alarms in homes with pets.

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Fresnel Lens Applications

Optimized lens designs for solar concentrators, LED lighting, and optical sensors.

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Outdoor Sensing Products

Weather-resistant sensors for street lighting, parking lots, and perimeter monitoring.

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Indoor Induction System

Energy-saving motion detection for smart homes, offices, and commercial buildings.

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Parking Lot Induction Lights

Efficient lighting control using microwave and PIR sensors for parking areas.

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About HaiWang

Two decades of innovation, quality, and customer-driven development in sensor technology.

Quality

Rigorous testing and ISO-compliant manufacturing ensure reliability and longevity.

R&D

Dedicated research team focused on next-generation sensing technologies and miniaturization.

Sustainability

Environmentally responsible manufacturing with reduced waste and energy consumption.

Support & Resources

Access technical documentation, FAQs, and expert support to integrate our sensors seamlessly.

FAQ Download Blogs

Get in Touch

For inquiries, technical support, or custom solutions, visit our official website to contact the HaiWang team.

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