As a Chef I demand only the best products to work with, and this is by far the best pocket thermometer I have ever used! I love that it doesn't take me 20 seconds standing over my roasts, steaks, burgers, etc. to get a fast, accurate reading, cause I honestly don't have time for that in a busy kitchen. At first glance: The thermometer is exactly as described by the manufacturer. The response time on this thermometer is honestly the best I've had the pleasure of using... in fact I'm pretty well convinced that it even matches the speed of those very large ones with the attached probe on a wire (now granted if you pay $300+ dollars you can get one that will give you the fastest most accurate read but for the money, best deal here) I especially love the finer pointed tip on this thermometer that goes quickly, and easily into any protein that I need, no matter how tough, or thin the product is I get a perfect reading fast, so I'm never tied up waiting 30 seconds to get an accurate read out of my regular dial thermometer which you have to make sure you keep calibrated correctly, or the cheaper digital thermometers that just take longer (and the fact they have a much larger tip that DOES NOT like to go into products easily)... for a few extra bucks, SERIOUSLY BUY THIS! The extra temperature range of this thermometer is also quite handy, if even for some reason i have to check the temperature of my deep fryer its still capable of handling, extra kudos for that. And yes, it is waterproof, I have tested it. (again, extra kudos for that too) Downsides (i think definitely outweigh the sheer advantages this product has over the competition) -The large read out is great, not entirely that necessary to be that large though, or so i thought, kinda gets knocked around a bit, but the shatter proof design of the product compensates. -The sheath that the thermometer comes in holds it great, and at that would never ever slide out, problem with that design is the clip on the plastic holder doesn't hold tight to any clothing that you clip it too.. i find it actually useless (in fact I'm using a sheath from a prior thermometer) -I have experienced a couple quirky problems but those totally corrected themselves with the proper re-seating of the battery, the waterproof design is a little tricky to get right. So the downsides were the only reason this received a four star review and not a five, but its honestly the best thermometer I have ever used, and I've used them all. I hope you find this review helpful in your search for a great product, I HIGHLY recommend this product to ANYONE, weather a professional in a busy kitchen to someone at home that enjoys cooking and hates the big ol' metal ones that Gramma used for her turkeys, and wants to take the guess work out of cooking. This is a great product and I am Greatly satisfied with my purchase. Thank You for reading.