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 » 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 HX711 Instrumentation Module DS18B20 Waterproof Temperature Sensor A3144 Hall Sensor Module GP2Y0A02YK0F 20-150 cm Infrared Distance Sensor 2pcs 50 kg Load Cell