This product is auto-sensing technology of Doppler radar control products, high sensitivity, sensing distance, reliability, sensing angle, wide supply voltage
HC-SR501 is based on infrared technology, automatic control module, using Germany imported LHI778 probe design, high sensitivity, highreliability, ultra-low-voltage operating
HC-SR501 is based on infrared technology, automatic control module, using Germany imported LHI778 probe design, high sensitivity, highreliability, ultra-low-voltage operating
This product is auto-sensing technology of Doppler radar control products, high sensitivity, sensing distance, reliability, sensing angle, wide supply voltage