1000mw Industrial/Lab 850nm 1W Infrared IR Dot Laser Module 12V Burning Matches with TTL Fan Cooling & Long Time Working: Amazon.com: Industrial & Scientific
PiNoir - Infrared Camera Module for the Raspberry Pi
Amazon.com: Contact-Less Infrared Temperature Sensor IR Module High Precision High Resolution Fast Response 3.3V/5V @XYGStudy : Industrial & Scientific