Independent left/ right motion detection CCTV connection. The outdoor motion sensor's detection range, sensibility and alarm output can be set independently on the left and the right. The detection distance can easily be set at 2.5m, 3.5m, 6m, 8.5m to 12m on each side, the sensitivity can be set from low to extremely high, detecting only 1 degree Celsius temperature difference. The BX Shield can be easily connected to a fixed dome CCTV camera to send visual alarm when people are entering in the immediate boundary of the premises. Versatile design. The BX Shield curtain sensor has been designed with the user in mind. A 90 degree unlocking system allows easy access to the settings area, a spirit level help fixing the sensor straight. A black and silver face covers are available as option making the look of the outdoor curtain sensor easy to blend with its environment. Four PIRs in one sensor for best reliability. Why two PIR in each side ? to make sure we offer the best performance needed in outdoor environment. On each side, the BX Shield motion sensor features two passive infrared beams one pointing towards the floor and one pointing away from the sensor, both beams need to trigger to confirm the detection: this system allows to ignore small to middle size dog animals and detect only people.