Refaxi HC-SR501 Human Body Infrared Sensor Module Sensor Pyroelectric Probe Electronic Module (3PCS)






Key features
- •Operating voltage range: 4.5V-20V.
- •Level output: high 3.3v/low 0V
- •It can automatically and quickly open all kinds of incandescent lamp, fluorescent lamp, buzzer, automatic door, electric fan, dryer and automatic washing machine.
- •Especially suitable for electric products powered by dry batteries.
- •Suitable for sensitive areas such as passageways and corridors of enterprises, hotels, shopping malls, warehouses and families, or automatic lighting, lighting and alarm systems in safe areas.
Refaxi HC-SR501 Human Body Infrared Sensor Module Sensor Pyroelectric Probe Electronic Module (3PCS)
List Price: $15.69$14.12DEALYou Save: $1.57 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection







