Dahua AirShield Series Wireless PIR Dual White Pet up to 18kg - DHI-ARD2231-W2 Brands_Western Digital This is particularly useful for

This is particularly useful for applications where audio evidence can supplement video footage

Superior low-light color performance (0

ensuring reliable operation in a wide range of outdoor environments from -40 °C to +65 °C

self-contained access control reader designed to directly drive electric door locks

Dahua AirShield Series Wireless PIR Dual White Pet up to 18kg - DHI-ARD2231-W2 Brands_Western Digital This is particularly useful forThe DHI ARD2231 W2 is a wireless indoor motion detector that combines passive infrared (PIR) and microwave technology for more accurate human motion detection while minimizing false alarms. With pet immunity, temperature compensation, and long battery life, it's designed for dependable performance in homes or small businesses. Key Features Dual Detection Technology Combines PIR and microwave sensors to significantly reduce false alarms from