INKBIRD Wi-Fi Meat Thermometer, IBBQ-4T Rainproof Magnetic Alarm Thermometer for Grilling with 4 Probes, 2000mAh Rechargeable Battery Thermometer for Indoor&Outdoor, Kitchen, Oven, Smoker, both iOS&Android Features: Wi-Fi Connection : Please connect one or more thermometers to your phone over 2.4GHZ Wi-Fi, open the app and then you could monitor multiple devices with your phone easily. Rainproof&Magnetic : The rainproof thermometer can be used both indoor and outdoor even during rainy days, the magnetic design make it poible to adsorb on the surface of household appliances like ovens, refrigerators or other metal surfaces near it. Rechargeable Battery : The 2000mAh lithium battery could last about 26 hours once fully charged, you dont need to worry about replacement of dry batteries any more, which is convenient and eco-friendly. Temperature Graph & Calibration : The app is simple to operate, you could calibrate the temperature or download a temperature graph in the app, it also provides 11 preset modes and custom function. Dual Alarm : The App and the thermometer will alarm at the same time if the meat reaches the setting temperature or setting time, then you will not mi the alarm and this will help to keep your food and family safe. Specifications: Dimensions: 88mmx88mmx39mm/3.46"x3.46"x1.54" Weight: 165g/5.82oz Battery: 2000mAh built-in lithium battery Short Time Measurement Range : from 0 to 300(32~572) Continuous Monitoring Range: from 0 to 250(32~482) Temperature Accuracy: 1/1.8 Wirele Connection: Wi-Fi Connection. Requires 2.4GHz Wi-Fi (Support IEEE 802.11b/g/n) Compatibility: iOS 13.0 or above, Android 4.4 or above Display Type: Black-and-white LCD Dimensions of LCD Display: 53mmx35mm Waterproof Grade: IPx3 rated Data Storage: free App storage Battery Type: rechargeable built-in lithium battery Capacity: 2000mAh/7.4Wh Adapter: 5V/1A Calibration:12 Package Includeds: 1 x IBBQ Thermometer 1 x User Manual 4 x Probes