R&D Hc-Sr501 Pyroelectric Infrared Pir Motion Sensor Detector Module PACK OF 20 Power Supply Electronic Hobby Kit

Infrared sensor with control circuit board the sensitivity and holding time can be adjusted Working voltage range: Dc 45v- 20v current drain:<60ua voltage output: High/low level signal:33v ttl output detection distance: 3--7m(can be adjusted) detection range: <140° Delay time: 5-200s(can be adjusted, default 5s +-3 percent) blockade time: 25 s (default) trigger: L: Non-repeatable trigger h: Repeat trigger (default) work temperature:-20-+80°c trigger method: L unrepeatable trigger / h repeatable trigger