10pcs Lens for Pyroelectric Sensors Hello Customers, we would like to inform everyone that we will not be accepting orders until we fix the issue of disappearing shipping cost from your orders. We are still investigating and fixing the settings so that the correct shipping cost will be displayed in every order. Thank you very much for understanding » All Products » 10pcs Lens for Pyroelectric Sensors This lens is for pyroelectric sensors which is used to detect presence of a person. SKU: CQY2859618191 Price: 1.01 $ Product in stock SSL Certificate Quantity Updating cart... This lens is mounted in pyroelectric sensor which can be used in person detection. Specifications Circumference: 23 mm to 24 mm Weight: 1 g Related Products AM2320 Digital Sensor SHT20 series ENC-03M Single Axis Gyro Module 10DOF IMU (accelerometer, gyroscope, magnetometer, pressure) 30W LED with Color Temperature of 6000-6500 K MAX6675 Temperature Sensor