The Kwik Switch is a folding thermocouple instrument featuring a replaceable probe while maintaining a total system accuracy of 1°F (0. 5°C). This NSF-certified unit is made of durable ABS plastic and is IPX7 waterproof rated. This easy-to-use device turns on and off by simply flipping the probe open and closed, and includes an automatic shut-off after 10 minutes to conserve battery life. The large east to read LCD screen provides a backlit display in low light settings. The reduced tip on the stainless steel probe allows for rapid response times.