Need precise temperature control for a DIY project, oven, incubator, or brewing setup? This PID Controller Set is a solid pick! It includes the REX-C100FK02 PID controller (0–400°C range, K-type thermocouple input, SSR output), a 40DA solid state relay (handles up to 40A, 24–380V AC), a 1-meter K thermocouple probe (6mm sensor), and a heat sink to keep things cool. The PID runs on 100–240V AC, so it’s versatile for most setups. The whole package is compact (controller is about 86x48x48mm) and straightforward to wire up if you’re handy with electronics. Great for temperature-sensitive applications like soldering stations, coffee roasters, reptile enclosures, or even homemade sous-vide. Just make sure you’re comfortable with electrical connections before diving in. Reliable, accurate, and packed with everything you need to take control of your heat – literally!