Features: Intelligent wireless meat thermometers with wireless connection & 4 probes for precise cooking, monitor temps remotely via app ( -58°f to 572°f ranging) during grilling. Features preset usda recommended temperatures, customizable alarms, and a large digital display; includes four foldable probes for multiple point monitoring. For BBQ enthusiasts, and professional requiring restaurant quality temperature control for meats/poultry. Optimizes outdoor grilling, oven roasting, or holiday turkey preparation while tracking 4 dishes simultaneously through wall (100ft indoor/165ft outdoor wireless ranging). Cloudbbq app connection digital cooking thermometers ensures food safety with realtime temperature graphs and alerts, for various kitchen to backyard use. Specifications: Product name: Intelligent wireless barbecue thermometers Product model: DTH-155A Temperature measurement ranging: -50~300℃ (-58~572℉) Temperature measurement accuracy: ±1℃ (±2℉) Size:Approx.84x76x44mm/3.3x2.99x1.73inch Wireless ranging: Outdoor accessibility: 165FT (50M) / Indoor: 100FT (30M) Package Includes: 1 Set Meat Thermometers note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.