Xikezan via Amazon offers its Xikezan Waterproof Meat Thermometer for $18.99. Coupon code "3SORS3B5" drops it to $11.96. Plus, Prime members bag free shipping. That's the lowest price we could find by $4. It has a temperature range of -50° to 572° Fahrenheit, auto shutoff, and requires two AAA batteries (not included).