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. » 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 TTP224 Capacitive Touch Sensor Module (4 channels) 10DOF IMU (accelerometer, gyroscope, magnetometer, pressure) AHRS STM32 + 10DOF IMU (accelerometer, gyro, magnetometer, pressure) GP2Y0A21YK0F 10-80 cm Infrared Distance Sensor 20W LED with Color Temperature of 3000-3500 K