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This dual passive infrared detector uses two independent PIR sensors arranged in a staggered configuration to detect motion based on infrared heat signatures. It is designed for indoor and outdoor use with an operating temperature range from -10°C to 50°C. The unit includes a built-in microprocessor that filters out false triggers from pets, HVAC airflow, or ambient temperature shifts. It operates on 12V DC input and draws less than 50mA in standby mode.
The detection pattern covers a 180-degree horizontal angle with a maximum range of 12 meters, typical for commercial-grade dual-sensor PIR units. The sensor uses a Fresnel lens array to divide the detection zone into multiple segments, enhancing accuracy. The housing is rated IP65 for dust and water resistance, making it suitable for covered outdoor installations. The circuitry is designed to minimize electromagnetic interference and is compatible with standard alarm control panels.
This detector is commonly purchased by security system integrators for residential complexes, retail stores, and warehouse perimeters. Buyers typically order in quantities of 100 to 500 units per shipment. Packaging is in anti-static bags with foam inserts, then packed into corrugated cartons of 20 units. Trade terms often include FOB Shenzhen or CIF destination port. Lead time is estimated at 15 to 20 days after order confirmation. No certifications are listed in the source data.
| Sensor Type | Dual passive infrared (PIR) |
| Detection Range | Up to 12 meters |
| Detection Angle | 180 degrees horizontal |
| Operating Voltage | 12V DC |
| Current Draw (Standby) | Less than 50mA |
| Operating Temperature | -10°C to 50°C |
| Protection Rating | IP65 |
| Lens Type | Fresnel lens array, multi-zone |
| Output Signal | Relay switch, NO/NC configurable |
| Housing Material | Flame-retardant ABS plastic |
| Weight | Typical 280g ± 15g |
| Mounting Type | Wall or ceiling, with adjustable bracket |
| Response Time | Typical 0.5 to 1.2 seconds after motion detection |
| False Alarm Suppression | Dual-sensor logic, temperature compensation |
| Power Supply Input | DC 12V ± 10% |
| Compatibility | Standard 2-wire alarm system interfaces |
Saitell Technology Co., Ltd. is based in Luohu District, Shenzhen, with a registered address at the Twin Century Building. The supplier's trust tier is harbor, indicating basic logistics verification. The listing does not specify years in business, production capacity, or any certifications such as ISO or CE. There is no mention of quality control procedures, R&D team size, or export history.
The company appears to be a manufacturer of basic security sensors, primarily for OEM and wholesale distribution. The listing does not claim proprietary technology, firmware customization, or in-house testing labs. No client names, case studies, or product certifications are provided. Buyers should assume this is a commodity-level sensor supplier without branded engineering support.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Before ordering, confirm the detection range and sensitivity settings match your installation environment. Request a sample to test in the intended location, especially if pets or HVAC systems are present. Verify the IP65 rating with a water spray test report. Ensure the relay output matches your alarm panel's input requirements (NO/NC, voltage, current). Do not accept units without a model number or batch code.
Lead time is typically 15 to 20 working days after payment. Confirm whether the supplier offers FOB Shenzhen, CIF port, or DDP terms. Payment is usually 30% deposit with 70% before shipment. Packaging is in cartons of 20 units with foam and anti-static lining. Request a packing list, commercial invoice, and certificate of origin in English. Ask for a test report on environmental durability if used outdoors.
Inspect each unit for lens scratches, housing cracks, or loose wiring. Test the tamper switch by removing the cover and verifying the alarm signal triggers. Use a multimeter to confirm the output relay switches correctly at 12V. Request a quality control report for the batch, including sensitivity calibration logs and temperature cycle test results. Retain unboxing photos and serial number records for warranty claims.
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When importing Dual Passive Infrared Det from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
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