Quantity: 1 - Color: Blue - Material: PCB board - Uses TCRT5000 infrared reflectance sensor - Detection distance: 1mm~8mm - Focus distance: 2.5mm - Working voltage: 3.3V~12V - Uses wide voltage LM393 comparator - With multi-turn precision potentiometer to adjust the sensitivity - Current: > 15mA - Output type: Digital switch output (0 1) - Suitable for watt-hour meter pulse data sampling fax machines shredder paper detection obstacle detection and white and black cable detection - Infrared transmission diode of TCRT5000 sensor continuously transmit infrared ray. - When the infrared rays emitted is not reflected back or reflected back but the intensity is not large enough output is low and diode indicator is off - When the object to be detected is in the detection range the infrared rays are reflected back and intensity is large enough output terminal of the module is high and diode indicator is on - Packing list: - 1 x Module - 2 x Mini PCB board - 8 x Lead cables (18cm)