It features a passive infrared motion sensor for day or night operation, a 120-degree field of view, and an adjustment knob to adjust the sensor up or down. Plus, you can shift it left or right if ...

References 1. Acharya UR, Chua EC-P, Faust O, Lim T-C, Lim LF, Automated detection of sleep apnea from electrocardiogram signals using nonlinear parameters, Physiol Measure 32 (3), 2011. Crossref, Web ...