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PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx 2-4 seconds), adjustable sensitivity .
Dimension: 3.2cm x 2.4cm x 1.8cm (approx)
Dimension: 3.2cm x 2.4cm x 1.8cm (approx)
Infrared sensor with control circuit board
The sensitivity and holding time can be adjusted
- Working Voltage Range: DC 4.5V- 20V
- Current drain:<60uA
- Voltage Output: High/Low level signal:3.3V TTL output
- Detection distance: 3--7M(can be adjusted)
- Detection range: <140°
- Delay time: 5-200S(can be adjusted, default 5s +-3%)
- Blockade time: 2.5 S (default)
- Trigger: L: Non-repeatable trigger H: Repeat Trigger (default)
- Work temperature:-20-+80°C
- Trigger Method: L unrepeatable trigger / H repeatable trigger
- Availability: 4