Brown double infrared detector with anti-masking microwave for the protection of passages, doors and windows, with adjustable support, it is suitable as it creates a real curtain effect, thanks to the presence of a pair of passive infrared detectors combined with the active microwave.

It is also equipped with an anti-masking function in order to prevent the device from being neutralised. The detector is installed in the center of the upper jamb of the door or window to be protected, located between the frame and the roller shutter or shutter.

The adjustable support is an accessory of the double infrared detector with anti-masking (for RLA140T, RLA141T, S180-22I and S181-22I) and allows you to customize the detection angle (± 7° compared to the central neutral position) and adapt it to the installation situation, avoiding false alarms and unwanted detection areas.

A 3.6V 4Ah BatLi26 lithium battery is supplied.