Balanced Differential Pyroelectric PIR Sensor Unit, 5V Voltage, 7.5m Sensing Range, 97.7° Detection Angle, 3mA Current, 4.5V Output Voltage, -20°C to +50°C, This PIR Module Works on the Pyroelectric Principle where a Change in Detected Temperature Produces an Increase or Decrease in Generated Electric Potential, Designed for Human Body Detection, High Density Polyethylene Lens, 12 Number of Zones
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