Dimensions : 1.8 x 1.75 x 0.75 in (46 x 45 x 19 mm)
Features : More immune to false triggers than passive infrared motion sensors, Able to detect motion through walls and windows, Trim potentiometer for manually adjustable sensitivity
Communication : High (3.9 V) / low (0 V) signal oscillates with motion
Operating temp range : +32 to +131 °F (0 to +55 °C)