Popular Infrared motion sensor 180 degree 

 Features  Modern design Matt plastic finish. white or black options An adjustable head (up and down) with a 180 degree detection range making it perfect for all areas and angles. Thanks to its splash-protection, it can be installed in all kinds of places. Specifications FUNCTION  Detection field: The wide detection range is made up of up and down, left and right (see the following diagram), the detection range could be adjusted according to your desire, but the moving orientation in detection field has great relation with the sensitivity. Identify day and night automatically: The ambient light could be adjusted according to your desire: when turn to SUN (max), it will work day and night, when turn it to MOON (min), it will only work in the ambient light less than 3LUX. As for adjustment, please refer to testing way. Time-delay is added continually…