For cooks who want a highly practical cooking thermometer, the CDN DTL572-B Lollipop Thermometer - Blue provides accurate temperature readings in a wide temperature range from -40 to +572F/-40 to +300C with a fast 4-second response. This model stands out for its high waterproof rating IPX7. Tests show that it is protected against being immersed in over three feet of water for up to 30 minutes.