10pcs Lens for Pyroelectric Sensors Please allow 4-6 days processing before ship out. For gearmotors or similar motors, we don’t ship using epacket and will use regular shipping if needed. Please note that regular shipping like singapore post might take 45-60 days to deliver, epacket 20 -35 days to deliver Thank you 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 TEMT6000 Ambient Light Sensor MPU9250 9 Axis Accelerometer HMC5883L Triple Axis Magnetometer 5pcs Water Level Sensor Module ADUM1201 Magnetic Isolator Module