Wired Small Curtain Passive Infrared Detector, Infrared Alarm Sensor, Door, window, balcony, ceiling protection security kits. <br> <br>Features:<br>1. Suitable for door, window, balcony, ceiling protection.<br>2. Vertical or horizontal detection.<br>3. High Sensitivity and with inflaming retarding case. <br>4. Low noise and high sensitivity with double infrared sensors. <br>5. Sensitivity can be adjusted with 2 grades.<br>6. With Fresnel vertical protection lens. <br>7. Alarm /Tamper-resistant output: NC DC24V 0.1A
