Passive infrared detector for door opening reach up to 2.4 meters. With IQ Logic and buzzer function. Remote input for the Parallel Door Control - the door lock opens or closes, either after the movement detection of the iREX or from an external device. Adjustable relay interlock time. Single or double use of the door: two "Form C" relays, selectable NC or NO. LED for the step test. IQ Logic™ feature provides greater security by allowing iREX™ motion detection only after an external device has been activated (such as a ground switch, an additional PIR, or a disarmed burglar alarm system). Safe Door Mode that prevents unauthorized persons from entering after a valid exit. Internal buzzer - 85dB with adjustable volume and direct external activation. The Door Alarm Mode activates the buzzer if the door is forced open or left open for a long time. Cover tamper output. Interior installation, mounting height: from 2.30 to 4.60 meters. Power from 12 to 30VDC / VAC. Dimensions 177 x 50 x 45 mm.