Dahua ARD1111C Ceiling PIR Detector
Key Specifications
• 8-bit low-power CMOS processor • 360 degree angle, 6M detecting range • Ceiling mounted at 3.6M • Temperature auto-compensation, avoiding false alarm • Three digital pulses optional for different alarm time delay (5/10/30s ) • RFI protection: 20 to 1000 MHz(e.g. Mobile communication) • LED on/off optional