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Users recommend mounting the sensor at least 2 meters high and avoiding placement near heat sources or direct sunlight to prevent false positives. Comparison with Alternatives Panasonic EKMB1 Go to product viewer dialog for this item. SparkFun Mini (STHS34PF80) Go to product viewer dialog for this item. DIY, Prototyping, Low-cost Industrial, Ultra-low power High-precision presence detection 2 µA 3–7m (Adjustable) 5m (Fixed) 4m (Fixed) Adjustability Potentiometers (Manual) Adjustability Adjustability Software-controlled (I2C) PIR Motion Sensor Detector Module HC-SR501 - SunRobotics Comparison with Alternatives Panasonic EKMB1 Go to product