Description

Multiple Interactive infrared beams shooting. Adjacently 4 beams interruption detection

NC/NO relay output

Easy alignment with visual LED indicator and audible buzzer

High quality aluminum alloys cover

Resistant to rain, fog, snow and frost

Digital frequency conversion

CPU microprocessor, good performance against outdoor interference 

AGC pure digital circuit design, DSP digital chip programming, really reduce false alarm

Horizontal optical angle can be easy to adjust 180 degree