The L2101D2020|21 Series from Laser Components is a Pyroelectric Detector with Field of View(FOV) 70 Degree, Supply Voltage 2.7 to 10 V, Voltage Responsivity 40000 to 45000 V/W, Feedback Resistor 100 GOhms. More details for L2101D2020|21 Series can be seen below.