Wintact WT308A Smart Food Thermometer BT Meat Thermometer with Timer Alarm Features 1. Good material: The thermometer, housed in a sturdy plastic shell, equips with 2 probes made of food grade stainless steel, non-toxic, safe, high-temperature resistant. 2. Remote monitor and alarm: BT thermometer allows wireless connecting to smartphone, simultaneous & real-time monitor of 2 different food, beep alarm at cooking temperature over setting value. 3. Accuracy and fast response: Smart digital thermometer takes temperature in just 2 seconds, with -40~300 degree C (-40~572 degree F) wide temp range, degree C degree F unit switchable, +-2 degree C high precision. 4. More advantages: Back magnets give convenient attachment to metal surface; large backlit screen provides easy data reading even in darkness; the app features temperature chart & 16 preset temp settings (like beef, lamb, chicken, etc.). 5. Wide application: It is designed to help grasp food temperature clearly, prevent overcooking or undercooking, for delicious tasty dishes, suitable for daily cooking, barbecue, etc. Specification 1. Model: WT308A 2. Material: Stainless steel + Plastic 3. Temperature Range: -40~300 degree C (-40~572 degree F) 4. Accuracy: +-2 degree C 5. Response Time: 2s 6. Power Supply: 2 x 1.5V AAA battery (Not included)