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 » Sensors » Other Sensors » 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 10pcs TCRT5000 Reflective Photoelectric Sensor TP229 Capacitive Touch Sensor Module TCS3200 Color Sensor Module TTP229 Capacitive Touch Sensor Module (16 channels) RTC + EEPROM + Temperature Sensor Module