Tensun via Amazon has the Tensun Cooking Thermometer with Instant Read for $7.99.
After Coupon code "BWT3Y8BR". With free shipping,
This Food Cooking digital thermometer measuring range: -58°F?572°F(-50°C?300°C); Instant read, "Hold" function; °F/°C button. perfect for both professional and home chefs
https://www.amazon.com/gp/product/B01B49USY8