ALWAYS READY, ZERO BATTERY -- Analog bimetallic probe design with no batteries, no charging, no electronics to fail. Unlike digital instant-read or wireless Bluetooth probes that die mid-roast, this mechanical probe thermometer is ready the moment you need it -- every single time. One-time investment, lifetime of hassle-free cooking. LEAVE-IN OVEN SAFE UP TO 500°F -- Tempered glass lens and heat-resistant 304 stainless steel casing withstand oven heat up to 500°F (260°C) without melting, warping, or losing calibration. Insert into turkey, prime rib, pork roast, or artisan bread -- close the oven door and monitor through the glass. No opening the oven, no losing heat. AT-A-GLANCE 2.5-INCH DIAL WITH TARGET TEMPS -- Oversized bold numerals and printed USDA target zones (160°F Beef/Lamb Medium, 165°F Whole Poultry, 170°F Well-Done / Pork Roast) tell you exactly when each meat is done -- no meat chart or smartphone app needed. Readable through oven glass from across the kitchen. PRECISE READ RANGE 120-220°F, NSF CERTIFIED -- Food-grade bimetallic stem delivers accurate readings from 120°F to 220°F (50-105°C) with built-in BOIL TEST calibration point for peace of mind. NSF certified to meet public health safety standards. Safe for every family meal. 2-PACK VALUE, DISHWASHER SAFE -- One for the oven, one for the grill -- or keep a backup for your second oven, BBQ, or smoker. Corrosion-resistant stainless steel casing with anti-scratch finish. Toss both in the dishwasher after use; they won't rust, won't lose calibration, won't need replacing. Perfect gift for foodies, dads, and housewarming.