High quality new generation Quad PIR detector. Quad elements coupled with new signal processing (to discriminate temperature differential and object size information) ensure reliable detection. This series offers some uniquie features that make it a desirable choice for high security applications. 

Features 

• High performance dual twin element optical unit
• High density detection area
• Slight motion detection – selectable twin/quad sensing
• Self-test function
• Built-in alarm memory
• Trouble alarm